物理学

 

学术动态
Technological   breakthrough in energy-efficient particle accelerators
September 28, 2021 Technological breakthrough in   energy-efficient particle accelerators by Technische Universitat Darmstadt   Credit: Unsplash/CC0 Public Domain At Technische Universität Darmstadt,   the...
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'Magnet training'   at the LHC
September 28, 2021 'Magnet training' at the LHC by Naomi   Dinmore, CERN The LHC magnets surround the beampipe along its 27 km   circumference. Credit: CERN When the Large Hadron Collider (LHC) begins   Run...
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Memetics and   neural models of conspiracy theories
Multitude of conspiracy theories people believe in all over the   world is astonishing. They actually accompany each significant event: a   catastrophe, assassination, death of a famous person or, current...
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New tool reveals   ultimate owners of companies
Researchers from Skoltech, the European University at St.   Petersburg, and Lomonosov Moscow State University have developed an algorithm   that detects the ultimate controlling owners of companies. Appli...
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等离子体所在等离子体本征环向转动研究方面取得新进展
近日,等离子体所EAST大科学工程团队孙有文三维物理课题组在等离子体本征环向转动研究方面取得了新进展。基于新经典环向粘滞理论,给出了实验上观察到的等离子体自发旋转的一种新的物理解释。研究成果以“Symmet...
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国家重点研发计划重点专项项目课题绩效评价会召开
9月24日,“中国聚变工程实验堆(CFETR)集成工程设计研究”项目课题绩效评价会在等离子体所召开。来自中国科学技术大学、北京大学、中国科学院大学、合肥工业大学、等离子体物理研究所、核工业西南物理研究院、中...
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中国科学院战略性先导B类专项顺利通过中期检查
依据《中国科学院先导专项管理办法》及相关实施细则的要求,9月25日,中国科学院发展规划局组织召开了中科院战略性先导B类专项“下一代高场超导磁体关键科学与技术”(以下简称“下一代高场”)中期检查会议。中...
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Creating order by   mechanical deformation in dense active matter
September 28, 2021 Creating order by mechanical deformation in   dense active matter by University of Göttingen A snapshot of the researchers’   simulation showing orientational ordering under steady sh...
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New membrane to   make fresh water
September 27, 2021 New membrane to make fresh water by Sandia   National Laboratories Susan Rempe, right, a Sandia National Laboratories   bioengineer, and Stephen Percival, a material scientist, examine ...
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Will twisted   superconducting flakes make better components for quantum computers?
September 28, 2021 Will twisted superconducting flakes make   better components for quantum computers? by Vittoria D'alessio, University of   Bath Credit: U.S. Army RDECOM, CC BY 2.0 Researchers at the Un...
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Perfecting and   extending the near-infrared imaging window
September 27, 2021 Perfecting and extending the near-infrared   imaging window by Chinese Academy of Sciences The propagation of excited   ballistic and diffused emission photons in the bio-tissue with sm...
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New imaging   system reveals solar panel defects even in bright sunlight
September 27, 2021 New imaging system reveals solar panel   defects even in bright sunlight by The Optical Society The researchers used   an InGaAs detector with a very high frame rate to acquire a sequen...
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0.75 Gbit/s key   distribution with mode-shift keying chaos synchronization
September 27, 2021 0.75 Gbit/s key distribution with mode-shift   keying chaos synchronization by Chinese Academy of Sciences Credit: Hua Gao,   Anbang Wang, Longsheng Wang, Zhiwei Jia, Yuanyuan Guo, Zhen...
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仿射群与Minkowski平面的刚体运动群上的Gauss-Bonnet定理
2017 年,   Diniz与Veloso两位学者定义了次黎曼Heisenberg空间中非水平曲面的高斯曲率且证明了Gauss-Bonnet定理[2].   该定义类似于中具有特定法曲面和Hausdorff面积测度的曲面的高斯曲率. 在中, 考虑由向量场,生成的分...
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Cracking open   strong field quantum electrodynamics
September 28, 2021 Cracking open strong field quantum   electrodynamics by Lawrence Berkeley National Laboratory Left: In the   proposed scheme for probing SF-QED with present-day or near-future lasers,   a...
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Millimeter-scale   chip-based supercontinuum generation
September 27, 2021 feature Millimeter-scale chip-based   supercontinuum generation by Thamarasee Jeewandara , Phys.org Schematic of a   fiber-coupled SD OCT system with a supercontinuum source generated b...
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Full-color LEDs   cut down to size
September 27, 2021 Full-color LEDs cut down to size by King   Abdullah University of Science and Technology KAUST scientists have created   micrometer-scale light-emitting diodes of unprecedented small si...
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Remote infrared   radiation technology measures thickness of ice on prawns
September 27, 2021 Remote infrared radiation technology measures   thickness of ice on prawns by Henrik Bendix, Technical University of Denmark   Credit: Bax Lindhardt DTU and Royal Greenland have collabo...
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Study   demonstrates the robust storage of qubits in ultracold polar molecules
September 27, 2021 feature Study demonstrates the robust storage   of qubits in ultracold polar molecules by Ingrid Fadelli , Phys.org Lead   author, Philip Gregory alongside the lasers used to cool ultra...
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New roadmap to   better performing solar energy cells
September 27, 2021 New roadmap to better performing solar energy   cells by University of Surrey Fig. 1: Definition and measurement of strain in   halide perovskites. Credit: DOI: 10.1038/s41563-021-01097...
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'Back to basics'   approach helps unravel new phase of matter
September 27, 2021 'Back to basics' approach helps unravel new   phase of matter by University of Cambridge Credit: Pixabay/CC0 Public Domain   A new phase of matter, thought to be understandable only usi...
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Optical chip   protects quantum technology from errors
September 28, 2021 Optical chip protects quantum technology from   errors by Tobias Sydradal Lund, Technical University of Denmark Credit: CC0   Public Domain In today's digital infrastructure, the data-b...
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Skyrmions Made   from Sound Waves
A topologically stable quasiparticle normally associated with   spin textures in magnetic materials has now been created using sound waves in   air.
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Far Fewer Qubits   Required for “Quantum Memory” Quantum Computers
Incorporating storage units for quantum information into quantum   computers may allow researchers to build such devices with several orders of   magnitude fewer qubits in their processors.
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Zen stones   naturally placed atop pedestals of ice: A phenomenon finally understood
September 27, 2021 Zen stones naturally placed atop pedestals of   ice: A phenomenon finally understood by CNRS A laboratory reproduction of the   Zen stone phenomenon in a lyophilizer. Credit: © Nicolas...
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Scientists   recreate cosmic reactions to unlock astronomical mysteries
September 28, 2021 Scientists recreate cosmic reactions to   unlock astronomical mysteries by J.d. Amick, Argonne National Laboratory An   interior view of SOLARIS and the accelerator and detectors at the...
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Researchers   identified two possible Mott-insulating images in magnetic superexchange   couplings in Sr2IrO4
September 27, 2021 Researchers identified two possible   Mott-insulating images in magnetic superexchange couplings in Sr2IrO4 by   Chinese Academy of Sciences Total nearest- (left) and next-nearest- (rig...
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Novel design may   boost efficiency of on-chip frequency combs
September 28, 2021 Novel design may boost efficiency of on-chip   frequency combs by Dina Genkina, Joint Quantum Institute Rendering of a   light-guiding lattice of micro-rings that researchers predict wi...
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用X射线自由电子激光拍摄分子电影
|作者:刘海广(北京计算科学研究中心 复杂系统研究部) 本文选自《物理》2021年第9期 摘要   作为生命活动的基本单元,蛋白质等生物大分子的功能与分子结构和动力学密切相关。X射线衍射和电子显微技术能够确定原子分辨率...
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Mathematical   Constructions of COVID Virus Activity Could Provide New Insight for Vaccines,   Treatment
Mathematical constructions of the action of SARS-CoV-2 and its   multiple spikes, which enable its success at infecting cells, can give   vaccine developers and pharmaceutical companies alike a more preci...
磁子转移力矩(MTT)效应的实验验证
自旋力矩为人们利用电学方法高效调控磁矩翻转提供了重要手段。自旋力矩通常通过自旋极化电流或电流经由自旋霍尔效应转化的纯自旋流产生。前者和后者分别命名为自旋转移力矩(Spin   Transfer Torque, STT)和自旋轨道...
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Technological   breakthrough in energy-efficient particle accelerators
September 28, 2021 Technological breakthrough in   energy-efficient particle accelerators by Technische Universitat Darmstadt   Credit: Unsplash/CC0 Public Domain At Technische Universität Darmstadt,   the...
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'Magnet training'   at the LHC
September 28, 2021 'Magnet training' at the LHC by Naomi   Dinmore, CERN The LHC magnets surround the beampipe along its 27 km   circumference. Credit: CERN When the Large Hadron Collider (LHC) begins   Run...
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Memetics and   neural models of conspiracy theories
Multitude of conspiracy theories people believe in all over the   world is astonishing. They actually accompany each significant event: a   catastrophe, assassination, death of a famous person or, current...
阅读全文
New tool reveals   ultimate owners of companies
Researchers from Skoltech, the European University at St.   Petersburg, and Lomonosov Moscow State University have developed an algorithm   that detects the ultimate controlling owners of companies. Appli...
阅读全文
等离子体所在等离子体本征环向转动研究方面取得新进展
近日,等离子体所EAST大科学工程团队孙有文三维物理课题组在等离子体本征环向转动研究方面取得了新进展。基于新经典环向粘滞理论,给出了实验上观察到的等离子体自发旋转的一种新的物理解释。研究成果以“Symmet...
阅读全文
国家重点研发计划重点专项项目课题绩效评价会召开
9月24日,“中国聚变工程实验堆(CFETR)集成工程设计研究”项目课题绩效评价会在等离子体所召开。来自中国科学技术大学、北京大学、中国科学院大学、合肥工业大学、等离子体物理研究所、核工业西南物理研究院、中...
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中国科学院战略性先导B类专项顺利通过中期检查
依据《中国科学院先导专项管理办法》及相关实施细则的要求,9月25日,中国科学院发展规划局组织召开了中科院战略性先导B类专项“下一代高场超导磁体关键科学与技术”(以下简称“下一代高场”)中期检查会议。中...
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Creating order by   mechanical deformation in dense active matter
September 28, 2021 Creating order by mechanical deformation in   dense active matter by University of Göttingen A snapshot of the researchers’   simulation showing orientational ordering under steady sh...
阅读全文
New membrane to   make fresh water
September 27, 2021 New membrane to make fresh water by Sandia   National Laboratories Susan Rempe, right, a Sandia National Laboratories   bioengineer, and Stephen Percival, a material scientist, examine ...
阅读全文
Will twisted   superconducting flakes make better components for quantum computers?
September 28, 2021 Will twisted superconducting flakes make   better components for quantum computers? by Vittoria D'alessio, University of   Bath Credit: U.S. Army RDECOM, CC BY 2.0 Researchers at the Un...
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Perfecting and   extending the near-infrared imaging window
September 27, 2021 Perfecting and extending the near-infrared   imaging window by Chinese Academy of Sciences The propagation of excited   ballistic and diffused emission photons in the bio-tissue with sm...
阅读全文
New imaging   system reveals solar panel defects even in bright sunlight
September 27, 2021 New imaging system reveals solar panel   defects even in bright sunlight by The Optical Society The researchers used   an InGaAs detector with a very high frame rate to acquire a sequen...
阅读全文
0.75 Gbit/s key   distribution with mode-shift keying chaos synchronization
September 27, 2021 0.75 Gbit/s key distribution with mode-shift   keying chaos synchronization by Chinese Academy of Sciences Credit: Hua Gao,   Anbang Wang, Longsheng Wang, Zhiwei Jia, Yuanyuan Guo, Zhen...
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仿射群与Minkowski平面的刚体运动群上的Gauss-Bonnet定理
2017 年,   Diniz与Veloso两位学者定义了次黎曼Heisenberg空间中非水平曲面的高斯曲率且证明了Gauss-Bonnet定理[2].   该定义类似于中具有特定法曲面和Hausdorff面积测度的曲面的高斯曲率. 在中, 考虑由向量场,生成的分...
Cracking open   strong field quantum electrodynamics
September 28, 2021 Cracking open strong field quantum   electrodynamics by Lawrence Berkeley National Laboratory Left: In the   proposed scheme for probing SF-QED with present-day or near-future lasers,   a...
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Millimeter-scale   chip-based supercontinuum generation
September 27, 2021 feature Millimeter-scale chip-based   supercontinuum generation by Thamarasee Jeewandara , Phys.org Schematic of a   fiber-coupled SD OCT system with a supercontinuum source generated b...
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Full-color LEDs   cut down to size
September 27, 2021 Full-color LEDs cut down to size by King   Abdullah University of Science and Technology KAUST scientists have created   micrometer-scale light-emitting diodes of unprecedented small si...
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Remote infrared   radiation technology measures thickness of ice on prawns
September 27, 2021 Remote infrared radiation technology measures   thickness of ice on prawns by Henrik Bendix, Technical University of Denmark   Credit: Bax Lindhardt DTU and Royal Greenland have collabo...
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Study   demonstrates the robust storage of qubits in ultracold polar molecules
September 27, 2021 feature Study demonstrates the robust storage   of qubits in ultracold polar molecules by Ingrid Fadelli , Phys.org Lead   author, Philip Gregory alongside the lasers used to cool ultra...
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New roadmap to   better performing solar energy cells
September 27, 2021 New roadmap to better performing solar energy   cells by University of Surrey Fig. 1: Definition and measurement of strain in   halide perovskites. Credit: DOI: 10.1038/s41563-021-01097...
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'Back to basics'   approach helps unravel new phase of matter
September 27, 2021 'Back to basics' approach helps unravel new   phase of matter by University of Cambridge Credit: Pixabay/CC0 Public Domain   A new phase of matter, thought to be understandable only usi...
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Optical chip   protects quantum technology from errors
September 28, 2021 Optical chip protects quantum technology from   errors by Tobias Sydradal Lund, Technical University of Denmark Credit: CC0   Public Domain In today's digital infrastructure, the data-b...
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Skyrmions Made   from Sound Waves
A topologically stable quasiparticle normally associated with   spin textures in magnetic materials has now been created using sound waves in   air.
阅读全文
Far Fewer Qubits   Required for “Quantum Memory” Quantum Computers
Incorporating storage units for quantum information into quantum   computers may allow researchers to build such devices with several orders of   magnitude fewer qubits in their processors.
阅读全文
Zen stones   naturally placed atop pedestals of ice: A phenomenon finally understood
September 27, 2021 Zen stones naturally placed atop pedestals of   ice: A phenomenon finally understood by CNRS A laboratory reproduction of the   Zen stone phenomenon in a lyophilizer. Credit: © Nicolas...
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Scientists   recreate cosmic reactions to unlock astronomical mysteries
September 28, 2021 Scientists recreate cosmic reactions to   unlock astronomical mysteries by J.d. Amick, Argonne National Laboratory An   interior view of SOLARIS and the accelerator and detectors at the...
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Researchers   identified two possible Mott-insulating images in magnetic superexchange   couplings in Sr2IrO4
September 27, 2021 Researchers identified two possible   Mott-insulating images in magnetic superexchange couplings in Sr2IrO4 by   Chinese Academy of Sciences Total nearest- (left) and next-nearest- (rig...
阅读全文
Novel design may   boost efficiency of on-chip frequency combs
September 28, 2021 Novel design may boost efficiency of on-chip   frequency combs by Dina Genkina, Joint Quantum Institute Rendering of a   light-guiding lattice of micro-rings that researchers predict wi...
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用X射线自由电子激光拍摄分子电影
|作者:刘海广(北京计算科学研究中心 复杂系统研究部) 本文选自《物理》2021年第9期 摘要   作为生命活动的基本单元,蛋白质等生物大分子的功能与分子结构和动力学密切相关。X射线衍射和电子显微技术能够确定原子分辨率...
Mathematical   Constructions of COVID Virus Activity Could Provide New Insight for Vaccines,   Treatment
Mathematical constructions of the action of SARS-CoV-2 and its   multiple spikes, which enable its success at infecting cells, can give   vaccine developers and pharmaceutical companies alike a more preci...
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Photonic Chip Is   Key to 'Nurturing' Quantum Computers
A team of researchers from Bristol's Quantum Engineering and   Technology Labs (QETLabs) has shown how to protect qubits from errors using   photons in a silicon chip. advertisement Quantum computers are ...
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Microscopic   Metavehicles Powered by Nothing but Light
Researchers from Chalmers University of Technology, Sweden, have   succeeded in creating tiny vehicles powered by nothing but light. By layering   an optical metasurface onto a microscopic particle, and t...
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Tweaking Alloy   Microchemistry for Flawless Metal 3D Printing
In the last few decades, metal 3D printing has spearheaded the   efforts in creating custom parts of intricate shapes and high functionality.   But as additive manufacturers have included more alloys for ...
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Nano-Scale   Discovery Could Help to Cool Down Overheating in Electronics
A team of physicists at CU Boulder has solved the mystery behind   a perplexing phenomenon in the nano realm: why some ultra-small heat sources   cool down faster if you pack them closer together. The fin...
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Quantum Dots   Enable Infrared Lasing at Room Temperature in Silicon Photonics
Lasers, devices that emit light in one direction, with photons   traveling at one specific frequency and all with the same phase (coherent),   govern the way we communicate today. Although lasers are know...
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Correlated   Electrons ‘tango’ in a Perovskite Oxide at the Extreme Quantum Limit
A team led by the Department of Energy's Oak Ridge National   Laboratory has found a rare quantum material in which electrons move in   coordinated ways, essentially "dancing." Straining the material   crea...
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Will Twisted   Superconducting Flakes Make Better Components for Quantum Computers?
Researchers at the University of Bath in the UK have found a way   to make 'single-crystal flake' devices that are so thin and free of defects,   they have the potential to outperform components used toda...
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国际数学联盟百年庆   田刚理事长作邀请报告
(图片来源于IMU百年庆典官网)   2021年9月27日至9月28日,“数学无界”——国际数学联盟成立一百周年纪念大会在法国斯特拉斯堡大学宫举办,这里也正是1920年国际数学联盟成立的地方。国际数学联盟主席Carlos   E. Keni...
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A Classical View   of Quantum Time Crystals
Numerical studies indicate that certain types of time crystals   might be described using classical physics—a result that could vastly   simplify the theoretical description of these systems.
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凝聚态物理学的新篇章——超越朗道范式的拓扑量子物态
|作者:张广铭† 朱国毅(清华大学物理系) 本文选自《物理》2021年第9期 摘要   在凝聚态物理学发展历程中,朗道—金兹堡相变理论奠定了人们对物质形态和有序相及其相变的认识基础,在结合了威尔逊重正化群理论后,形成...
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Ultrathin Quantum   Dot LED That Can Be Folded Freely as Paper
Quantum dot light-emitting diode (QLED), which employs quantum   dots as a light-emitting material, has attracted significant attention as a   promising alternative for next-generation display technologie...
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Contact-Tracing   Apps Could Improve Vaccination Strategies
Mathematical modeling of disease spread suggests that herd   immunity could be achieved with fewer vaccine doses by using Bluetooth-based   contact-tracing apps to identify people who have more exposure t...
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Creating Order by   Mechanical Deformation in Dense Active Matter
Living or biological systems cannot be easily understood using   the standard laws of physics, such as thermodynamics, as scientists would for   gases, liquids or solids. Living systems are active, demons...
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‘Back to Basics’   Approach Helps Unravel New Phase of Matter
A new phase of matter, thought to be understandable only using   quantum physics, can be studied with far simpler classical methods.   advertisement Researchers from the University of Cambridge used compu...
New Technique   Speeds Measurement of Ultrafast Pulses
When we look at an object with our eyes, or with a camera, we   can automatically gather enough pixels of light at visible wavelengths to   have a clear image of what we see. advertisement However, to vis...
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3D Nano-Inks Push   Industry Boundaries
Mechanical engineering researchers at Michigan Technological   University have created a way to make a 3D-printable nanocomposite polymeric   ink that uses carbon nanotubes (CNTs) -- known for their high ...
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Grabbing magic   tin by the tail
September 23, 2021 Grabbing magic tin by the tail by CERN The   ISOLDE facility seen from above. Credit: CERN Atomic nuclei have only two   ingredients, protons and neutrons, but the relative number of th...
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Scientific   formula calculates how to create more space for pedestrians in post-pandemic   cities
September 23, 2021 Scientific formula calculates how to create   more space for pedestrians in post-pandemic cities by Universitat Oberta de   Catalunya Fig. 1: Maps and statistics on arrogance of space. ...
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World premiere   for virtual laser lab "femtoPro"
September 24, 2021 World premiere for virtual laser lab   "femtoPro" by University of Würzburg View into virtual lab. Credit:   Stefan Müller / Universität Würzburg In everyday life, we know lasers fr...
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First glimpse of   hydrodynamic electron flow in 3D materials
September 23, 2021 First glimpse of hydrodynamic electron flow   in 3D materials by Leah Burrows, Harvard University Fig. 1: Device and   experimental setup. Credit: DOI: 10.1038/s41567-021-01341-w Electr...
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Ultrathin   electronic barrier layer to control interface luminescence
September 24, 2021 Ultrathin electronic barrier layer to control   interface luminescence by Compuscript Ltd Improvement of the light emitting   performance by presenting the nano-buffer layer. Credit: Co...
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Next-generation   camera can better locate tumors
September 23, 2021 Next-generation camera can better locate   tumors by Ecole Polytechnique Federale de Lausanne Credit: CC0 Public Domain   A few years ago, Edoardo Charbon, an EPFL professor and head of...
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Can we see   quantum correlations at the macroscopic scale?
September 23, 2021 Can we see quantum correlations at the   macroscopic scale? by Borivoje Dakic & Miguel Gallego, University of   Vienna Credit: CC0 Public Domain One of the most fundamental features of ...
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New advanced   speckle technique enables high precision metrology for X-ray mirrors
September 23, 2021 New advanced speckle technique enables high   precision metrology for X-ray mirrors by Diamond Light Source Figure 1.   Schematic representation of the experimental setup for speckle an...
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Researchers   develop new method for detecting superfluid motion
September 25, 2021 Researchers develop new method for detecting   superfluid motion by Rochester Institute of Technology A team of scientists   led by Associate Professor Mishkat Bhattacharya proposed a n...
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An experimental   loop for simulating nuclear reactors in space
September 23, 2021 An experimental loop for simulating nuclear   reactors in space by Gabrielle Stewart, Pennsylvania State University The hot   hydrogen test loop, shown in this diagram, will circulate h...
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Study unveils the   minimum temperature for droplets levitating from smooth surfaces
September 23, 2021 feature Study unveils the minimum temperature   for droplets levitating from smooth surfaces by Ingrid Fadelli , Phys.org A   series of images showing the failure of a thin vapor layer ...
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Quasi-particles   with tunable interactions
September 24, 2021 Quasi-particles with tunable interactions by   University ofAmsterdam Water waves are localized excitations in the water,   that in many aspects behave like particles, having velocities...
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在这种材料中,这一知名常数变大了
精细结构常数(α),是物理学中一个神秘而重要的基本常数,费曼曾称它是一个“魔数”;狄拉克曾说它的起源是“物理学中最基本的未解之谜”,在量子电动力学(QED)中,它定义了电磁相互作用的强度。   精细结构常数是...
Tiny lasers   acting together as one: Topological vertical cavity laser arrays
September 24, 2021 Tiny lasers acting together as one:   Topological vertical cavity laser arrays by Julius-Maximilians-Universität   Würzburg Artistic rendition of a topological array of vertically emi...
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New technique   speeds measurement of ultrafast pulses
September 24, 2021 New technique speeds measurement of ultrafast   pulses by University of Rochester Schematics of the experimental setup   showing a temporal fan out (TFO) gate represented by the yellow ...
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Light computes   any desired linear transform without a digital processor
September 24, 2021 Light computes any desired linear transform   without a digital processor by UCLA Engineering Institute for Technology   Advancement All-Optical Synthesis of an Arbitrary Linear Transfo...
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A strategy to   control phase selectivity in templated zeolite synthesis
September 24, 2021 feature A strategy to control phase   selectivity in templated zeolite synthesis by Ingrid Fadelli , Phys.org   Computational methods enable controlling phase competition between zeolit...
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Researchers   Develop New Method for Detecting Superfluid Motion
Researchers at Rochester Institute of Technology are part of a   new study that could help unlock the potential of superfluids -- essentially   frictionless special substances capable of unstopped motion ...
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中国科学院声学研究所举行2021年第9期学术交流会
2021年9月23日,中国科学院声学研究所2021年第9期学术交流会在北京召开。本次交流会由科技发展部和超声学实验室共同举办,邀请中国科学院苏州生物医学工程技术研究所崔崤峣研究员,北京大学李长辉副教授,深圳迈...
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Physicists   control the flow of electron pulses through a nanostructure channel
September 23, 2021 Physicists control the flow of electron   pulses through a nanostructure channel by Friedrich–Alexander University   Erlangen–Nurnberg Fig. 1: Forces acting as a function of the synch...
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Researchers   simulate compact fusion power plant concept
September 23, 2021 Researchers simulate compact fusion power   plant concept by US Department of Energy The Compact Advanced Tokamak (CAT)   is a potentially economical solution for fusion energy producti...
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Turning On a   Light Beam with a Single Molecule
A single molecule can switch a beam of photons on or off, a   potentially useful function for a quantum computer.
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Exotic phase   transitions unlock pathways toward superfluid-based technologies
September 23, 2021 Exotic phase transitions unlock pathways   toward superfluid-based technologies by FLEET The ultracold atomic lab at   Swinburne University of Technology. Credit: FLEET We can learn a l...
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Come on in, the   water is superionic
September 23, 2021 Come on in, the water is superionic by   Lawrence Livermore National Laboratory LLNL scientists have developed a new   approach using machine learning to study with unprecedented resolu...
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等离子体所在准轴对称永磁体仿星器设计研究方面取得重要进展
近期,等离子体所徐国盛研究员课题组在准轴对称永磁体仿星器设计研究方面取得重要进展,相关成果发表在Nuclear Fusion上   (Xu G S, Lu Z Y, Dehong Chen, et al 2021 Nucl. Fusion, 61 026025.;Lu Z Y, Xu   G S, ...
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Tiny Lasers   Acting Together as One: Topological Vertical Cavity Laser Arrays
Israeli and German researchers have developed a way to force an   array of vertical cavity lasers to act together as a single laser -- a highly   effective laser network the size of a grain of sand. The f...
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Nat. Commun.:   时间和空间反演对称性的人工操控,诱导新型磁电相变!
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   实现物质对称性的调控是研究凝聚态物理和创造新奇现象的重要基础。半个世纪以前,物理学家安德森就在 “More is different” (Science   177, 393...
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Finding   Exoplanets with Quantum Imaging
Treating stars and planets as quantum objects could make it   easier for astronomers to directly image exoplanets.
A Hallmark of   Topological Insulators is Measured in Atoms
Using ultracold atoms, researchers measure the number of chiral   edge states in a system with time-reversal symmetry.
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清华大学,再发Nature:像风一样自由
大量分布的小型化无线电子设备,可能构成了未来环境监测、人口监测、疾病管理和其他需要覆盖广阔空间尺度的应用系统的基础。因此,为这些网络组件制定可行的飞行方案势在必行。   在此,来自美国伊利诺伊大学厄巴纳分校...
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Switching on a   Superfluid
We can learn a lot by studying microscopic and macroscopic   changes in a material as it crosses from one phase to another, for example   from ice to water to steam. A new Australian study examines system...
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Researchers Mimic   How Water and Wind Create Complex Shapes in Nature
Intricate natural formations like star-shaped sand dunes or   arc-shaped rocks can appear so purposeful in form that it's easy to wonder   whether someone has designed them. Scientists have long recognise...
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Observation of   Energy-Difference Conservation in Optical Domain
When optical gain or loss are precisely controlled using   nanophotonics, a new physical event called the non-Hermitian phenomenon can   be observed, potentially the next-generation technology of optical ...
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Physicists   Control the Flow of Electron Pulses Through a Nanostructure Channel
Particle accelerators are essential tools in research areas such   as biology, materials science and particle physics. Researchers are always   looking for more powerful ways of accelerating particles to ...
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聚变堆主机关键系统综合研究设施园区110千伏变电站投运启用
  9月13日,聚变堆主机关键系统综合研究设施(CRAFT)园区110千伏变电站正式投运启用,正式并入国家电网运行。等离子体所、合肥滨投公司及大装置公司、合肥供电公司、安徽省电力工程质量监督中心站及相关参建单位、...
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进展 |   尺寸依赖的边界效应和非厄米趋肤效应的脆弱性及稳定性
对于一个宏观的量子系统,通常边界条件的改变对体态能谱是一种微扰效应。一般来说改变边界条件不会对体系的能谱结构和波函数产生剧烈的改变,这也是为何理想周期边界条件下得到的能谱结构通常能反映存在边界的实际晶...
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进展 |   阴-阳离子共变价非晶富硫化物正极在多价转移体系中的应用
随着社会对储能要求的不断提高,多价转移体系特别是镁和铝离子电池逐渐成为下一代高比能、低成本电池的研究热点。然而Mg2+和Al3+载流子的高电荷密度导致其与正极材料之间具有较强的静电作用,严重影响电荷补偿过程,...
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第11篇正刊!南京大学王雷再发Nature
编者按   iNature是中国最大的学术公众号,由清华大学,哈佛大学,中科院等多单位的博士团队联合打造,现推出iNature人才公众号,专注于人才招聘,学术进展,科研资讯,感兴趣的可以长按或者扫描下方的二维码关注我们。...
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Nat. Commun.:   等离激元系统内光子的量子统计特性的重要进展
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   约20年前,研究人员对纠缠光子的等离激元辅助传输的观察催生了量子等离激元领域。多年后,单光子与金属和电介质之间界面处的电荷振荡的耦合导致了...
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第二届数学生命科学大会在线上顺利召开
2021年8月28日至29日,由中国工业与应用数学学会(CSIAM)主办,CSIAM数学生命科学专委会、国家天元数学中部中心、湖北应用数学中心和武汉大学数学与统计学院承办的“第二届数学生命科学大会”在线上成功召开。来自国...
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Carbon fibers   electrical measurements pave way for lightning strike protection technologies
September 21, 2021 Carbon fibers electrical measurements pave   way for lightning strike protection technologies by American Institute of   Physics The slice of carbon fiber in the microelectric circuit i...
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Engineering   researchers develop new explanation for formation of vortices in 2D   superfluid
September 21, 2021 Engineering researchers develop new   explanation for formation of vortices in 2D superfluid by Trisha Radulovich,   Florida State University Illustrations showing the spontaneous appea...
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Rock shape should   be given greater consideration in rockfall risk assessments
September 21, 2021 Rock shape should be given greater   consideration in rockfall risk assessments by ETH Zurich One of the concrete   blocks positioned on the tilting platform that will be used to set it...
Scientists   develop the next generation of reservoir computing
September 21, 2021 Scientists develop the next generation of   reservoir computing by Jeff Grabmeier, The Ohio State University Credit:   Pixabay/CC0 Public Domain A relatively new type of computing that ...
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Bringing   real-time, fine-scale, subsurface quality control to 3D printing
September 21, 2021 Bringing real-time, fine-scale, subsurface   quality control to 3D printing by Osaka University Fig.1 Experimental   configuration. Credit: DOI: 10.1016/j.ultras.2021.106560 3D printing...
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New technique   boosts cryo-electron microscopy clarity, safety
September 21, 2021 New technique boosts cryo-electron microscopy   clarity, safety by Joshua A. Krisch, Cornell University Credit: Pixabay/CC0   Public Domain When scientists needed to visualize the struc...
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专刊推荐 |   黄承志、范美坤教授:共振光谱与光谱分析
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颗粒材料激光诱导击穿光谱分析技术研究获进展
加速器驱动先进核能系统(ADANES,Accelerator Driven Advanced Nuclear Energy   System)是中国科学院近代物理研究所在“未来先进核裂变能——ADS嬗变系统”战略性先导科技专项实施过程中原创提出的一种先进核能系统...
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Quantum   Cryptography Records With Higher-Dimensional Photons
Quantum cryptography is one of the most promising quantum   technologies of our time: Exactly the same information is generated at two   different locations, and the laws of quantum physics guarantee that...
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研究发现可能的透镜化伽马射线暴候选体
伽马射线暴是来自宇宙空间的伽马射线在短时间内突然增亮的高能爆发现象,伽马暴在传播过程中有可能受大质量天体引力的影响而产生引力透镜效应。由于伽马射线探测卫星的角分辨能力一般较差,只能依靠其较高的时间...
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资源脉冲作用强度和时间对植物入侵影响研究获进展
人类活动往往通过增加外部资源的供给或减少本地植物对资源的获取,导致群落中资源的可利用性产生波动。资源波动假说认为,当本地植物群落中可利用的资源发生波动时,外来植物更容易成功入侵。在自然界中,资源波...
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福建物构所通过手性钙钛矿半导体实现可见-近红外双模圆偏振探测
圆偏振探测在药物筛选、遥感、量子计算、自旋光电子信息和通讯等领域有广阔的应用前景。其中,基于手性材料的圆偏振直接探测在器件小型化和集成化方面的优势受到广泛专注。层状杂化钙钛矿材料结构可设计性强,易...
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自动化所等实现近红外二区磷光成像
当前,近红外二区(NIR-II,1000-1700nm)荧光成像在生物医学基础研究和肿瘤术中精准切除等临床转化方面展现出应用前景。相较于近红外一区(NIR-I,700-1000   nm),近红外二区荧光成像具备的在生物体内散射低、组...
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颗粒材料激光诱导击穿光谱分析技术研究获进展
加速器驱动先进核能系统(ADANES,Accelerator Driven Advanced Nuclear Energy   System)是中国科学院近代物理研究所在“未来先进核裂变能——ADS嬗变系统”战略性先导科技专项实施过程中原创提出的一种先进核能...
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云南天文台在极致密X射线双星研究领域获进展
近日,中国科学院云南天文台研究员王博等在极致密X射线双星研究领域取得进展,提出了形成极致密X射线双星的中子星+氦星模型,解释了长轨道周期极致密X射线双星的形成,并为观测上区分这类天体的起源通道提供了一...
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Seeking   Supersolidity in Helium Layers
A scheme that proves the superfluidity of a layer of helium-4 on   graphite holds promise for demonstrating that the layer may also be a   supersolid.
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How glacier   tables are formed
September 16, 2021 report How glacier tables are formed by Bob   Yirka , Phys.org Homemade glacier. To replicate glacier table formation,   cylindrical stones made of polystyrene, PVC, and granite were pl...
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All-nitride   superconducting qubit made on a silicon substrate
September 20, 2021 All-nitride superconducting qubit made on a   silicon substrate by National Institute of Information and Communications   Technology (NICT) (a) Conceptual diagram of microwave cavity an...
Molecule-mediated   surface reconstruction enables giant upconversion luminescence enhancement
September 20, 2021 Molecule-mediated surface reconstruction   enables giant upconversion luminescence enhancement by Liu Xiaogang, National   University of Singapore Figure: (a) Schematic illustration of ...
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The nanophotonics   orchestra presents: Twisting to the light of nanoparticles
September 20, 2021 The nanophotonics orchestra presents:   Twisting to the light of nanoparticles by Vittoria D'alessio, University of   Bath Upon illumination with red light, third harmonic scattered lig...
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High-spatial-resolution   interferometry enters the multi-wavelength era
September 17, 2021 High-spatial-resolution interferometry enters   the multi-wavelength era by University of Science and Technology of China   Scheme of the chromatic intensity interferometer. Credit: LIU...
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Understanding   photon collisions could aid search for physics beyond the Standard Model
September 20, 2021 Understanding photon collisions could aid   search for physics beyond the Standard Model by Jade Boyd, Rice University   The Compact Muon Solenoid experiment at the European Organizatio...
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Fiber tracking   method delivers important new insights into turbulence
September 17, 2021 Fiber tracking method delivers important new   insights into turbulence by Okinawa Institute of Science and Technology The   swirls and eddies in turbulent flows occur at a wide range o...
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Electrons on the   Edge: The Story of an Intrinsic Magnetic Topological Insulator
An intrinsic magnetic topological insulator MnBi2Te4 has been   discovered with a large band gap, making it a promising material platform for   fabricating ultra-low-energy electronics and observing exoti...
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Carbon Fibers   Electrical Measurements Pave Way for Lightning Strike Protection Technologies
Carbon fiber reinforced polymer composite structures are serving   an increasingly important role in aerospace, infrastructure, energy   generation, and transportation. Yet, the electrical behavior of a c...
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Engineering   Researchers Develop New Explanation for Formation of Vortices in 2D   Superfluid
Researchers at the FAMU-FSU College of Engineering and the   National High Magnetic Field Laboratory have new insight about the formation   of vortices in a type of quantum fluid, work that could help our...
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Effect of   electrons with negative mass in novel semiconductor nanostructures
September 17, 2021 Effect of electrons with negative mass in   novel semiconductor nanostructures by University of Regensburg A red laser   beam impinges on the atomically thin crystal WSe2, which convert...
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国家天元数学东南中心举办“动力系统与遍历理论青年学者研讨会”
2021年9月18日—19日由国家天元数学东南中心主办的“动力系统与遍历理论青年学者研讨会”(Workshop for   Young Scholars on Dynamical Systems and Ergodic   Theory)通过“腾讯会议”线上举行。来自北京大学、中国科...
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Turning a Quantum   Computer into a Time Crystal
Google’s Sycamore quantum processor can simulate an elusive   quantum system called a discrete time crystal.
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All-Nitride   Superconducting Qubit Made on a Silicon Substrate
Researchers at the National Institute of Information and   Communications Technology (NICT, President: TOKUDA Hideyuki, Ph.D.), in   collaboration with researchers at the National Institute of Advanced In...
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The Nanophotonics   Orchestra Presents: Twisting to the Light of Nanoparticles
Physics researchers at the University of Bath in the UK discover   a new physical effect relating to the interactions between light and twisted   materials -- an effect that is likely to have implications...
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Physicists Probe   Light Smashups to Guide Future Research
Hot on the heels of proving an 87-year-old prediction that   matter can be generated directly from light, Rice University physicists and   their colleagues have detailed how that process may impact future...
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A Sandblaster at   the Atomic Level
If you want to remove a layer of paint from a metal surface, you   can use a sandblaster: Countless grains of sand are blasted onto the surface,   and what emerges is clean metal. "Sputtering" can be imag...
Have We Detected   Dark Energy? Scientists Say It's a Possibility
Dark energy, the mysterious force that causes the universe to   accelerate, may have been responsible for unexpected results from the XENON1T   experiment, deep below Italy's Apennine Mountains. advertise...
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中子不一定是电中性,却隐藏着第五种作用力的秘密|Science
对晶体结构检测来说,中子散射是一种常用技术。但它的潜力却不止于此。这项围绕中子散射展开的新研究不仅加深了对晶体的认识,还差点抢了理论物理、粒子物理和高能物理学家的饭碗——测量了中子的电荷半径,甚至为第...
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中心仿射几何中的不变曲面流
It is well known that the central problem of the whole of modern   mathematics is the study of transcendental functions defined by differential   equations. --- Felix Klein 在著名的“爱尔兰根纲领”中,德国...
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2021世界计算大会在长沙召开
9月16日-18日,由湖南省人民政府、工业和信息化部联合主办的2021世界计算大会在湖南长沙国际会议中心召开。中国工业与应用数学学会(以下简称“学会”)副理事长、湘潭大学党委书记、湖南国家应用数学中心主任黄云清...
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World's first   discovery of liquid directional steering on a bio-inspired surface
September 16, 2021 World's first discovery of liquid directional   steering on a bio-inspired surface by City University of Hong Kong Inspired   by the Araucaria leaf, the team designed a surface with 3D ...
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New physics   research reveals fresh complexities about electron behavior in materials
September 16, 2021 New physics research reveals fresh   complexities about electron behavior in materials by Rasha Aridi, Virginia   Tech Physics doctoral student Adbhut Gupta in the lab of Jean Heremans ...
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Researchers   observe enhanced yield ratio between strange and nonstrange open-charm mesons
September 16, 2021 Researchers observe enhanced yield ratio   between strange and nonstrange open-charm mesons by Liu Jia, Chinese Academy   of Sciences Credit: CC0 Public Domain Researchers from the Univ...
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Magnon blocking   effect and magnonic skin effect shown in antiferromagnetically coupled   heterojunction

September 16, 2021 Magnon blocking effect and magnonic skin   effect shown in antiferromagnetically coupled heterojunction by Zhang Nannan,   Chinese Academy of Sciences Fig. Left: Schematic diagram of ma...
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Scientists take a   closer look inside the perfect fluid
September 16, 2021 Scientists take a closer look inside the   perfect fluid by Theresa Duque, Lawrence Berkeley National Laboratory This   time-lapse video clip shows a supersonic Mach wave as it evolves ...
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New technology   makes it possible to see clearly through murky water
September 16, 2021 New technology makes it possible to see   clearly through murky water by The Optical Society The researchers used a   traditional polarization imaging setup to image various objects sub...
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美国阿肯色大学胡津课题组AQT:拓扑,强关联,磁性的舞台
摘要:美国阿肯色大学胡津课题组发现可能同时具有强关联电子、磁性、以及拓扑费米子的新型材料SmSbTe. 关键词:Advanced   Quantum Technologies, SmSbTe, 拓扑量子材料;强关联电子;磁性;阿肯色大学 图1. 比热揭示的...
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进展 |   铁基超导体(Ba₀.₆K₀.₄)Fe₂As₂的本征电子结构和超导能隙
铁基高温超导体的超导电性是非常规超导机理研究的重要组成部分,精细的电子结构和超导能隙结构是理解铁基超导体超导机理的前提和基础。然而,即使对于被最早和最广泛研究的最佳掺杂铁基超导体(Ba0.6K0.4)Fe2As2,其电...
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The First Glimpse   of Hydrodynamic Electron Flow in 3D Materials
Electrons flow through most materials more like a gas than a   fluid, meaning they don't interact much with one another. It was long   hypothesized that electrons could flow like a fluid, but only recent ...
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Taking Lessons   from a Sea Slug, Study Points to Better Hardware for Artificial Intelligence
For artificial intelligence to get any smarter, it needs first   to be as intelligent as one of the simplest creatures in the animal kingdom:   the sea slug. advertisement A new study has found that a mat...
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A Unique Material   With Tunable Properties Is Explored in a New Study
If you're old enough, you may still have a box of cassette or   VHS tapes lying around. These storage devices were popular in the 1970s and   80s, but have since fallen into disuse, replaced by CDs and ot...
Star Attraction:   Magnetism Generated by Star-Like Arrangement of Molecules
A 2D nanomaterial consisting of organic molecules linked to   metal atoms in a specific atomic-scale geometry shows non-trivial electronic   and magnetic properties due to strong interactions between its ...
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阴-阳离子共变价非晶富硫化物正极在多价转移体系中的应用
随着社会对储能要求的不断提高,多价转移体系特别是镁和铝离子电池逐渐成为下一代高比能、低成本电池的研究热点。然而Mg2+和Al3+载流子的高电荷密度导致其与正极材料之间具有较强的静电作用,严重影响电荷补偿过...
阅读全文
尺寸依赖的边界效应和非厄米趋肤效应的脆弱性及稳定性
对于一个宏观的量子系统,通常边界条件的改变对体态能谱是一种微扰效应。一般来说改变边界条件不会对体系的能谱结构和波函数产生剧烈的改变,这也是为何理想周期边界条件下得到的能谱结构通常能反映存在边界的实...
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半导体光解水的微观动力学机制
最近,中国科学院物理研究所/北京凝聚态物理国家研究中心表面物理国家重点实验室SF10课题组的孟胜研究员、张萃副研究员、王恩哥院士等在Nano   Letters上以封面论文的形式发表了关于石墨相氮化碳光解水的非绝热动力...
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国际首台大动量极低温深紫外激光角分辨光电子能谱系统研制成功并投入使用
角分辨光电子能谱技术(ARPES)是当代凝聚态物理和材料科学研究中能直接测量电子结构的最重要的实验手段。在众多前沿物理问题的研究中,如高温超导体和其它非常规超导体的超导机理、拓扑材料的探索以及二维材料的...
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进展 |   磁子阻塞效应和磁子趋肤效应的研究进展
自旋波或磁子(Magnon),作为磁有序系统的集体元激发,可避免用电流来传导自旋角动量,为开发后摩尔时代的非易失、低能耗、高速度、小尺寸新型微电子器件提供了广阔的发展空间。针对磁子产生、输运、调控的磁子学(Mag...
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Toward Skin-Like   Electronics
A technique that allows researchers to fabricate 42,000 elastic   transistors per square centimeter takes them a step closer to creating   electronic devices that look and behave like skin.
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A Way to   Experimentally Test String Theory’s “Fuzzball” Prediction
Simulations reveal the gravitational-wave signal of string   theory’s “fuzzy” black holes, a signature that researchers could potentially   measure.
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PRL:百万大气压以下截获Tc超过100K的氢基超导体
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   借助高压技术,在新型硫氢化物H3S、镧氢化物LaH10及碳质硫氢化物等体系上分别实现了创纪录的200K、250K及288K的超导转变温度,因此富氢化物被认为...
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今日Nature:蛰伏数月!南京大学再发正刊
在有序和无序量子相的边界附近,一些实验已经证明了违背朗道费米范式的金属行为。在moiré异质结构中,最近发现了由电子关联驱动的门可调绝缘相。   在此,来自南京大学的王雷和美国哥伦比亚大学的 Cory R. Dean & Abh...
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Algorithm finds   personalized sound zones in cars for driver, passengers
September 14, 2021 Algorithm finds personalized sound zones in   cars for driver, passengers by American Institute of Physics Measured system   in a car cabin. Credit: Lucas Vindrola Creating an individua...
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Physicists make   square droplets and liquid lattices
September 15, 2021 Physicists make square droplets and liquid   lattices by Aalto University Credit: Aalto University When two substances are   brought together, they will eventually settle into a steady ...
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Triangular   honeycombs: Physicists design novel quantum material
2021/9/17
September 15, 2021 Triangular honeycombs: Physicists design   novel quantum material by Julius-Maximilians-Universität Würzburg The   measured electronic density (left) on the triangular indium lattice ...
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等离子体所承担的国家重点研发计划项目顺利通过课题绩效评价
9月15日,等离子体所牵头承担的国家重点研发计划大科学装置前沿研究专项   “高密度下加热及电流驱动效率和协同效应研究”课题绩效评价会议召开。评价专家由来自中科院电工所、北京应用物理与计算数学研究所、中科...
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Noninvasive eye   procedure provides potential pathway for virus, disease carriers
September 14, 2021 Noninvasive eye procedure provides potential   pathway for virus, disease carriers by American Institute of Physics The   creation and ejection process of tear droplets in the eye from ...
Lasers light up   neutron generation for radiography
September 15, 2021 Lasers light up neutron generation for   radiography by Osaka University The results of “snap shot” radiography using   laser-induced neutrons and X-rays simultaneously. (Left) Photog...
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Spin photovoltaic   effects in magnetic van der Waals heterostructures
September 14, 2021 feature Spin photovoltaic effects in magnetic   van der Waals heterostructures by Thamarasee Jeewandara , Phys.org   Photocurrent response of CrI3 junction device. (A) Schematic of a fo...
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Hot-band   absorption of Indocyanine Green for advanced anti-Stokes fluorescence   bioimaging
September 15, 2021 Hot-band absorption of Indocyanine Green for   advanced anti-Stokes fluorescence bioimaging by Chinese Academy of Sciences   a, The molecular structure of ICG. b, Schematic illustration...
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Homemade face   masks work; effectiveness varies depending on how they are made
September 14, 2021 Homemade face masks work; effectiveness   varies depending on how they are made by American Institute of Physics   Penetration and atomization of cough droplets through single layer hom...
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Have we detected   dark energy? Scientists say it's a possibility
September 15, 2021 Have we detected dark energy? Scientists say   it's a possibility by University of Cambridge Credit: CC0 Public Domain A new   study, led by researchers at the University of Cambridge a...
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CRAFT高功率电源平台获重要进展:成功实现100   kA直流回路分断
近日,等离子体所CRAFT项目电源团队首次研发成功100kA的单体真空开关并成功分断100kA直流回路,在世界高储能直流分断技术领域取得新的突破。     基于人工过零的直流回路分断技术承担着超导磁体失超保护的重任,...
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eLight:复数域计算成像跨入大规模时代
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频域自适应滤波理论分析获进展
2021/9/16
自适应滤波是信号处理学科的一个重要分支,它在声频工程、通信和雷达等很多领域获得广泛的应用。在声学系统辨识和建模(如主动噪声控制、回声抵消、啸叫抑制和房间均衡等)应用中,频域自适应滤波算法因具有较低...
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From Coordination   to Collapse in Rigged Economies
A game-theoretical model of a rigged economy predicts the   emergence of cartels followed by a risk of instability as the economy becomes   more complex.
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西北大学徐新龙课题组AOM:   无机钙钛矿中自旋极化电子对高阶移位电流的影响
创新点:西北大学徐新龙课题组和合作者利用太赫兹发射光谱研究了无机钙钛矿材料在圆偏振飞秒脉冲激光激发下,通过双光子吸收引发的高阶移位电流(shift   current),并阐述了由材料中的自旋-轨道耦合效应所引起的自旋...
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Just by Changing   Its Shape, Scientists Show They Can Alter Material Properties
By confining the transport of electrons and ions in a patterned   thin film, scientists find a way to potentially enhance material properties   for design of next-generation electronics advertisement Like...
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A Scalable Code   for Reducing Quantum Errors
A new scheme could offer a technologically viable solution for   remedying computational errors in near-term quantum devices.
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Physicist   observes the first unpaired Weyl magnetic monopole
September 14, 2021 Physicist observes the first unpaired Weyl   magnetic monopole by City University of Hong Kong The 37 unpaired Weyl points   in the 3D reciprocal space of GaPt, and the Berry curvature ...
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Future of quantum   information processing: Twisting light that switches direction at room   temperature
September 14, 2021 Future of quantum information processing:   Twisting light that switches direction at room temperature by Nagoya   University The team developed a room-temperature, electrically tunable...
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Light Does the   Twist for Quantum Computing
Scientists have generated circularly polarized light and   controlled its direction without using clunky magnets or very low   temperatures. The findings, by Nagoya University researchers and colleagues   i...
磁子阻塞效应和磁子趋肤效应的研究进展
自旋波或磁子(Magnon),作为磁有序系统的集体元激发,可避免用电流来传导自旋角动量,为开发后摩尔时代的非易失、低能耗、高速度、小尺寸新型微电子器件提供了广阔的发展空间。针对磁子产生、输运、调控的磁子学...
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铁基超导体(Ba0.6K0.4)Fe2As2的本征电子结构和超导能隙
铁基高温超导体的超导电性是非常规超导机理研究的重要组成部分,精细的电子结构和超导能隙结构是理解铁基超导体超导机理的前提和基础。然而,即使对于被最早和最广泛研究的最佳掺杂铁基超导体(Ba0.6K0.4)Fe2As2,...
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中科院声学所南海研究站与恒锋信息科技股份有限公司共建“智能语音与人工智能联合实验室”
2021年9月2日上午,中国科学院声学研究所南海研究站(以下简称南海站)与恒锋信息科技股份有限公司在恒锋信息公司总部举行共建“智能语音与人工智能联合实验室”签约仪式,双方将发挥各自在人才、技术、产业研究...
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Superpositions of   Chiral Molecules
Matter-wave diffraction can put chiral molecules into   superpositions of left- and right-handed forms, enabling new studies of how   the two states interact with their environment.
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Pedestrian   Physics Walks Away with Two Ig Nobels
This year’s Ig Nobel prize winners include two groups of   physicists studying how humans avoid—and sometimes don’t avoid—collisions   while walking.
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Long-Range Spin   Currents with Chiral Crystals
Chiral crystals can produce spin-polarized currents that   propagate over tens of micrometers—a promising feature for application in   spintronics devices.
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“太极计划”:聆听时空泛起的涟漪
平静的湖面,会因突然掷入一个石子而泛起涟漪。同样,宇宙中发生大质量天体相撞等天文事件时,也会在时空中形成涟漪,并以波的形式向宇宙各个方向传播,这就是引力波。水面上的涟漪我们能够直接看到,但时空中的涟漪...
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PNAS:   西安交大发现金属韧脆转变新机制
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   1912年4月,泰坦尼克号与一座冰山相撞,造成船体断成两截,沉入大西洋海底。为什么有“永不沉没”美誉的泰坦尼克号会因触礁冰山而沉没?当时工程...
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Study provides   evidence for 'new physics'
September 13, 2021 Study provides evidence for 'new physics' by   University of Bonn Prof. Dr. Ulf-G. Meißner (left) and Dr. Chien Yeah Seng   (right) from the Helmholtz Institute for Radiation and Nucle...
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New cerium   superhydrides become stepping stones to 'Goldilocks' superconductors
September 13, 2021 New cerium superhydrides become stepping   stones to 'Goldilocks' superconductors by Skolkovo Institute of Science and   Technology Structure of cerium superhydride CeH10 synthesized by...
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New laser   captures energy like noise-cancelling headphones
September 13, 2021 New laser captures energy like   noise-cancelling headphones by Australian National University Merging of BICs   in the finite-size structure. a Calculated Hz field distribution at a =...
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Using acoustics   to conceal and simulate objects
September 13, 2021 Using acoustics to conceal and simulate   objects by Felix Würsten, ETH Zurich Measuring 12 cms, the object that is to   be made invisible acoustically is placed between two acrylic gl...
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Observation of   Quasi-Equilibrium Phase Coexistence in Supercritical Fluids
A long-lasting non-equilibrium phase coexistence in   supercritical fluids has been observed by a Korean research team.   advertisement A team of researchers led by Professor Gunsu S. Yun from   POSTECH's D...
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Researchers   develop new tool for analyzing large superconducting circuits
September 13, 2021 Researchers develop new tool for analyzing   large superconducting circuits by Northwestern University Credit:   Unsplash/CC0 Public Domain The next generation of computing and informat...
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Researchers   Develop New Tool for Analyzing Large Superconducting Circuits
The next generation of computing and information processing lies   in the intriguing world of quantum mechanics. Quantum computers are expected   to be capable of solving large, extremely complex problems...
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Free electron   laser insight: laser–beam interaction in a dipole magnet
Free electron lasers (FELs) generate short-wavelength radiation   with extreme brilliance on ultrafast timescales. Developed over the past   three decades, FELs provide an important research tool for phys...
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Generating   entangled photons with nonlinear metasurfaces
Quantum nanophotonics is an active research field with emerging   applications that range from quantum computing to imaging and   telecommunications. This has motivated scientists and engineers to develop...
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Math researchers   find new ways to improve the science of 'trade-offs'
QUT researchers working on complicated problems in agriculture,   ecology and medicine have developed a mathematical model to enable faster   solutions.
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光子轨道角动量的精确三维调控——方向、大小皆可控   | NSR
上海理工大学詹其文教授团队基于时空涡旋和空间涡旋的碰撞,实现了光子轨道角动量三维指向的精确控制,增加了调控光子轨道角动量的新自由度,相关成果发表于《国家科学评论》(National   Science Review, NSR)。 光子...
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Researchers   discover how magnetism occurs in 2D ‘kagome’ metal-organic frameworks
Scientists from Australia's Monash University (affiliated with   Fleet, the Australian research council funded ‘Arc Centre of Excellence in   Future low-energy Electronics Technologies’) have discovered...
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裂纹尖端弹性应力场的解析解研究获进展
裂纹偏折是工程实践中无法避免的力学现象,是断裂力学经典问题之一。裂纹可能由于动态裂纹扩展、结构非均匀性、局部应力状态变化等因素导致偏折。   经过多年攻关,中国科学院力学研究所非线性力学国家重点实验室科研人...
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高温超导体理论模型缺一环?这次也许找到了
9.10 知识分子 The Intellectual   “哈伯德模型加上这个电子间的强相互吸引力,或许可以成为解释铜氧化物超导体的完整理论模型” | 制图:科画科技公司 导 读 高温超导微观机理的探索仍在   “盲人摸象” 的阶段。这次,...
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Engineering   Various Sources of Loss Provides New Features for Perfect Light Absorption
Natural and humanmade physical structures all lose energy, and   scientists work hard to eliminate that loss or compensate for it. Optical and   photonic devices lose energy through light scattering, radi...
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Quantum Materials   Cut Closer Than Ever
DTU and Graphene Flagship researchers have taken the art of   patterning nanomaterials to the next level. Precise patterning of 2D   materials is a route to computation and storage using 2D materials, whi...
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How Confined   Protons Migrate
The results described by the team of the Bochum Excellence   Cluster Ruhr Explores Solvation, RESOLV for short, together with colleagues   of the sister research network CALSOLV in Berkeley were published...
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Chain mail fabric   stiffens under pressure
Smart fabric: Yifan Wang bending the nylon chain mail, encased   in a plastic envelope and vacuum-packed, which makes it 25 times stiffer than   when under ambient conditions. (Courtesy: NTU Singapore) Ph...
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可见-近红外光电探测研究取得新进展
近期,中国科学院合肥物质科学研究院固体物理研究所科研人员在可见-近红外光电探测研究方面取得进展,获得了高性能的可见-近红外锡离子Sn2+敏化的PbS薄膜光电探测器。相关结果发表在Journal   of Alloys and Compo...
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New research   integrates the most effective practices for eye tracking in AR eyewear
September 10, 2021 New research integrates the most effective   practices for eye tracking in AR eyewear by SPIE The geometrical   configuration of a waveguide holographic optical element eye-tracking sys...
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High average   output power achieved in PAPS photocathode drive laser system
September 10, 2021 High average output power achieved in PAPS   photocathode drive laser system by Liu Jia, Chinese Academy of Sciences Fig.   1. Layout of the photocathode drive laser system. Credit: DOI...
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Engineering   various sources of loss provides new features for perfect light absorption
September 10, 2021 Engineering various sources of loss provides   new features for perfect light absorption by Washington University in St.   Louis Researchers created two WGM microresonators with differe...
Microscopy plus   AI equals rapid COVID-19 detection: study
September 9, 2021 Microscopy plus AI equals rapid COVID-19   detection: study by Beckman Institute for Advanced Science and Technology   Gabriel Popescu, a professor of electrical and computer engineering...
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Unprecedented   plasma lensing for high-intensity lasers
September 9, 2021 Unprecedented plasma lensing for   high-intensity lasers by Joe Chew, Lawrence Berkeley National Laboratory A   20-centimeter-long capillary discharge waveguide, used at BELLA Center to ...
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How a   state-of-the-art optics system will make the Advanced Photon Source upgrade   possible
September 10, 2021 How a state-of-the-art optics system will   make the Advanced Photon Source upgrade possible by Andre Salles, Argonne   National Laboratory Jun Qian, metrology engineer in the APS Optic...
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After 20 Years of   Trying, Scientists Succeed in Doping a 1D Chain of Cuprates
When scientists study unconventional superconductors -- complex   materials that conduct electricity with zero loss at relatively high   temperatures -- they often rely on simplified models to get an unde...
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Groundbreaking   Technique Yields Important New Details on Silicon, Subatomic Particles and   Possible ‘fifth Force’
Using a groundbreaking new technique at the National Institute   of Standards and Technology (NIST), an international collaboration led by   NIST researchers has revealed previously unrecognized propertie...
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New Ways to   Improve the Science of ‘trade-Offs’
QUT researchers working on complicated problems in agriculture,   ecology and medicine have developed a mathematical model to enable faster   solutions. advertisement Questions about intervention, how str...
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Quantum Solution   to Classical Drag Puzzle
A quantum-inspired model explains why objects moving in a fluid   experience drag even at high speeds where viscosity should be   negligible.
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Graphene   valleytronics: Paving the way to small-sized room-temperature quantum   computers
September 8, 2021 Graphene valleytronics: Paving the way to   small-sized room-temperature quantum computers by Indian Institute of   Technology Bombay, Mumbai Credit: Indian Institute of Technology Bomba...
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Reconfigurable   metasurfaces provide nanoscale light control
September 9, 2021 Reconfigurable metasurfaces provide nanoscale   light control by The Optical Society Researchers designed reconfigurable   metasurfaces with 2D spirals that deform when a voltage is appl...
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New   superconducting magnet breaks magnetic field strength records, paving the way   for fusion energy
September 8, 2021 New superconducting magnet breaks magnetic   field strength records, paving the way for fusion energy by David Chandler,   Massachusetts Institute of Technology This large-bore, full-sca...
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Groundbreaking   technique yields important new details on silicon, subatomic particles and   possible 'fifth force'
September 9, 2021 Groundbreaking technique yields important new   details on silicon, subatomic particles and possible 'fifth force' by   National Institute of Standards and Technology As neutrons pass th...
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Researchers use   the S-matrix bootstrap to examine whether string theory is the only   consistent theory of quantum gravity
September 9, 2021 feature Researchers use the S-matrix bootstrap   to examine whether string theory is the only consistent theory of quantum   gravity by Ingrid Fadelli , Phys.org String theory covers all...
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New laser-based   microphone calibration system
September 8, 2021 New laser-based microphone calibration system   by Jennifer Lauren Lee, National Institute of Standards and Technology A   laboratory standard microphone (three-banded gold and silver cy...
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Artificial brain   networks simulated with new quantum materials
September 8, 2021 Artificial brain networks simulated with new   quantum materials by Mario Aguilera, University of California - San Diego   Like biologically based systems (left), complex emergent behavi...
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Biomechanics of   the kick-start motion in competitive swimming
September 8, 2021 Biomechanics of the kick-start motion in   competitive swimming by University of Tsukuba Credit: Andrey   Burmakin/Shutterstock Researchers from the Faculty of Health and Sport   Sciences ...
After 20 years of   trying, scientists succeed in doping a 1D chain of cuprates
September 9, 2021 After 20 years of trying, scientists succeed   in doping a 1D chain of cuprates by Glennda Chui, Stanford University An   illustration depicts an unexpectedly strong attraction between e...
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Novel AR film   developed to maximize the transmission of infrared light
September 8, 2021 Novel AR film developed to maximize the   transmission of infrared light by Xu Shaohui, Chinese Academy of Sciences The   SEM image of double antireflection film on CdSe substrate and re...
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Self-assembled   optical cavities can reach a strong-coupling state that supports polariton   formation
September 9, 2021 report Self-assembled optical cavities can   reach a strong-coupling state that supports polariton formation by Bob Yirka   , Phys.org Credit: DOI: 10.1038/s41586-021-03826-3 A team of r...
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What the world's   most accurate clock can tell us about Earth and the cosmos
September 9, 2021 What the world's most accurate clock can tell   us about Earth and the cosmos by Issam Ahmed This January 25, 2017, image   courtesy of Dr. Ed Marti, shows a strontium optical lattice cl...
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Inspired by   metamorphosis, researchers create materials for shape-shifting architecture
September 8, 2021 Inspired by metamorphosis, researchers create   materials for shape-shifting architecture by Matt Shipman, North Carolina   State University Credit: North Carolina State University Resea...
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Magnet milestones   move distant nuclear fusion dream closer
September 9, 2021 Magnet milestones move distant nuclear fusion   dream closer by Frank Jordans, Seth Borenstein and Daniel Cole Workers   receive a central solinoid magnet for the ITER project in Saint-P...
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引力是量子力吗?
引力、强力、弱力、电磁力,是自然界中已知的四种基本力,它们在不同的尺度上各司其职,支配着宇宙万物的运行。   一百多年前,爱因斯坦提出的广义相对论将引力描述为时空的曲率,解释了许多引力现象。然而,当我们谈及...
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图解论文 |   为离子电荷分辨而研发的改进型等时性质谱术
本期图解论文,我们推荐周旭、王猛、张玉虎发表于Nuclear Science and Techniques的文章Charge   resolution in the isochronous massspectrometry and the mass of 51Co   《等时性质谱术中的电荷分辨与51Co的质量》(D...
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华南师范大学先进信息材料课题组MCP:高分子复合材料中非颗粒网络的热传导机制
摘要:华南师范大学先进信息材料课题组通过微纳米二氧化硅的表面多功能化,构建了具有三维交联网状结构有机硅复合体系,   以最大限度地降低界面热阻和结晶对导热率的影响。结合实验、理论模型和粗颗粒分子动力学模拟,...
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进展 |   自压缩少周期飞秒激光脉冲的产生
少周期飞秒驱动源是产生极紫外波段孤立阿秒脉冲的重要条件,采用常规方案需要经过光谱展宽与脉冲压缩两个过程,不仅效率低,而且压缩元件对大能量脉冲的承受能力也极为有限。近年来人们利用光谱展宽过程中的非线性效...
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今日Science:   奇异点的相干完美吸收
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   Science《科学》杂志今天在线刊登了来自美国圣路易斯华盛顿大学(Washington University in St.   Louis)杨兰教授研究组和耶鲁大学 (Yale Univers...
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“等离子体技术推进双碳战略应用研讨会”在合肥成功举办
2021年9月5日,“等离子体技术推进双碳战略应用研讨会”在合肥以线上视频会议的形式召开。本次研讨会由李建刚院士召集,会议主旨面向国家“碳达峰、碳中和”的双碳目标,推进等离子体技术在碳减排、碳中和、以及氨能...
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《南昌大学学报(理科版)》“放电等离子体与高电压”专题征稿启事
《南昌大学学报(理科版)》一直关注等离子体放电、高电压脉冲、高压放电现象的理论及实验相关基础研究,已刊发较多有影响力的研究论文,为这些研究领域的学术交流、研究探讨提供了很好的学术平台。近年来,等离子体...
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Repackaging a   Mathematically Odd Bottle
Stepan Paul creates mathematically correct sculptures to help   teach complex math concepts.
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Fine Structure   Constant Goes Big in Spin Ices
Inside a quantum spin ice, the constant that defines   electromagnetic interactions is 10 times larger than normal, according to   calculations.
Physics Abounds   at Conference on Math and Art
Quasicrystals, the Markov-chain model, and topological surfaces   were just a few of the physics concepts on display at the 2021 Bridges   conference.
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Bacteria That   Shove Harder, Move Further
Simulations show that the harder bacteria in a swarm push   against one another, the more likely they are to go on long “walks.”
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Controlling the   Phase Transition in Superfluid Helium-3
Researchers demonstrate that they can suppress the formation of   defects that appear in superfluid helium-3 when it undergoes a continuous   phase transition, allowing them to influence the form of the s...
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声学所水下航行器实验室博士生获得2021   IEEE ICSPCC最佳论文奖
2021年8月17日至19日,由IEEE香港分会和西安分会举行的国际会议The 2021 IEEE International   Conference on Signal Processing, Communications and Computing (IEEE ICSPCC   2021) 在西安顺利举行。在会上,中科...
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众所周知,光的传播不需要介质:可你知道原因何在吗?
众所周知,光传播并不需要介质,因为光速是一个实验常数:不受观测者相对于光源的移动速度或其运动方向影响的常数。   光与声音不同,声的传播需要空气(或者一些其他材料的介质)。如果你相对于空气是静止的,那么声速...
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声学所超声学实验室参与编制的多项重要行业标准正式颁布
相控阵超声检测技术是近年来工业无损检测领域最重要的技术进步之一。根据国家能源局公告(2021年第3号),由全国锅炉压力容器标准化技术委员会组织制订的NB/T   47013.15-2021《承压设备无损检测第15部分:相控阵超...
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声学所研制的横波远探测成像测井仪器创8340米深探测纪录
  横波远探测是通过测量井外远处的地质异常体的反射声波,实现井中远程探测的一种深部钻探测量方法,它结合了声波测井与地震成像技术,极大地延伸了声波测井的径向探测距离。目前,远探测声波是深地科学与资源钻探...
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Researchers use   graphene and other 2D materials to create a spin field-effect transistor at   room temperature
Researchers at CIC nanoGUNE BRTA in Spain and University of   Regensburg in Germany have recently demonstrated spin precession at room   temperature in the absence of a magnetic field in bilayer graphene....
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New opportunities   for light-powered battery and fuel cell design
September 7, 2021 New opportunities for light-powered battery   and fuel cell design by University of Tsukuba Researchers from the University   of Tsukuba use ultraviolet light pulses to access ion conduc...
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High-Energy Shape   Memory Polymer Could Someday Help Robots Flex Their Muscles
When stretched or deformed, shape memory polymers return to   their original shapes after heat or light is applied. These materials show   great promise for soft robotics, smart biomedical devices and dep...
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特刊推荐阅读 |   混沌系统的电路应用:建模、动力学分析和控制
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非氯溶剂可加工的新型双极性晶体管   | NSR
在《国家科学评论》(National Science Review,   NSR)发表的一篇论文中,一个中国科学家团队通过设计一种大摩尔质量的单体,合成了一种非氯溶剂可加工的半导体聚合物(PITTI-BT)。该聚合物在非氯溶剂(对二甲苯)中显示...
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Researchers   examine 'magnon' origins in 2D van der Waals magnets
Rice University researchers have confirmed the topological   origins of magnons, magnetic features they discovered three years ago in a 2D   material that could prove useful for encoding information in th...
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Contactless and   spatially structured cooling by directing thermal radiation
September 7, 2021 Contactless and spatially structured cooling   by directing thermal radiation by Ludwig Maximilian University of Munich   Black body emission and view factor. (a) Blackbody radiation spe...
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Creating a   non-radiating source of electromagnetism
September 7, 2021 report Creating a non-radiating source of   electromagnetism by Bob Yirka , Phys.org Figure 1. The conceptual approaches   to realize (a) electric anapole, (b) NR electric source, and (c...
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Tea time gets   flavor boost from thin film, impure water
September 7, 2021 Tea time gets flavor boost from thin film,   impure water by American Institute of Physics A thin film at the air-water   interface is observable in a cup of tea. Credit: ETH Zürich, De...
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不鸣则已、一鸣惊人!蛰伏7年,周昊欣一天发表两篇Nature,本科毕业于中科大少年班!
编者按   iNature是中国最大的学术公众号,由清华大学,哈佛大学,中科院等多单位的博士团队联合打造,现推出iNature人才公众号,专注于人才招聘,学术进展,科研资讯,感兴趣的可以长按或者扫描下方的二维码关注我们。...
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Tunable surface   plasmon-polariton resonance in organic light-emitting devices based on   corrugated alloy electrodes
September 7, 2021 Tunable surface plasmon-polariton resonance in   organic light-emitting devices based on corrugated alloy electrodes by   Compuscript Ltd Tunable SPP resonance in OLEDs based on corrugat...
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Photoluminescence   control by hyperbolic metamaterials and metasurfaces
September 7, 2021 Photoluminescence control by hyperbolic   metamaterials and metasurfaces by Compuscript Ltd Schematic illustration of   hyperbolic metamaterials and metasurfaces. (a) Type I hyperbolic m...
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Researchers   realize a spin field-effect transistor at room temperature
September 7, 2021 feature Researchers realize a spin   field-effect transistor at room temperature by Ingrid Fadelli , Phys.org   Sketch of a graphene-WSe2 spin field-effect transistor. At zero backgate v...
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New powerful   laser passes field test
September 7, 2021 New powerful laser passes field test by Jan   Brubacher, The Optical Society Credit: CC0 Public Domain A powerful   experimental laser developed by the European Southern Observatory (ESO...
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Exploring quantum   gravity and entanglement using pendulums
September 7, 2021 Exploring quantum gravity and entanglement   using pendulums by National Institute of Standards and Technology In an   atomic interferometer, the atom's wave function is split into left ...
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Walking with   coffee is a little-understood feat of physics
September 7, 2021 Walking with coffee is a little-understood   feat of physics by Arizona State University A schematic illustration of the   cart-pendulum system to simulate human’s handling of a complex...
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中科院合肥物质科学研究院张海民、周宏建团队ASC   AMI: 固有赝电容亲和性用于选择性除硬度
点击上方蓝字 关注我们 第一作者:徐应生 通讯作者:张海民、周宏建 通讯单位:中国科学院合肥物质科学研究院固体物理研究所   论文DOI:10.1021/acsami.1c09996 图片摘要 成果简介 近日,中国科学院合肥物质科学研究院...
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玄武岩纤维增强高分子复合材料界面脱粘研究获进展
玄武岩纤维是一种由玄武岩矿石为原料,运用熔融拉丝工艺制备的高性能纤维材料,具有无毒、力学性能优异、耐腐蚀等优点,被用于制备纤维增强高分子复合材料(FRP),并在交通、建筑等领域颇具应用价值。在FRP中,纤维...
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Physics model   explains the overall shape of two rubble-pile asteroids
September 6, 2021 Physics model explains the overall shape of   two rubble-pile asteroids by Lucy Dickie, Okinawa Institute of Science and   Technology Two diamond shaped, rubble-pile asteroids have been ...
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Unraveling   D-Meson Mixing
The observation of neutral D mesons oscillating into their   antiparticle partners provides constraints on new heavy particles that can’t   be directly produced by high-energy colliders.   &nbs...
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Researchers   obtain new results on knockout reactions at HIRFL-CSR
September 6, 2021 Researchers obtain new results on knockout   reactions at HIRFL-CSR by Zhang Nannan, Chinese Academy of Sciences Isospin   asymmetry dependence of the ratio of experimental to theoretica...
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New theory for   detecting light in the darkness of a vacuum
September 6, 2021 New theory for detecting light in the darkness   of a vacuum by Dartmouth College Hui Wang, Guarini ’21, a postdoctoral   researcher, and Miles Blencowe, the Eleanor and A. Kelvin Smith...
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Assessing   Graduate Admissions Metrics
A statistical analysis suggests that among the metrics used for   admissions to US graduate programs in physics, grade point average exhibits   the strongest correlation with indicators of academic succes...
Researchers   reveal a novel metal where electrons flow with fluid-like dynamics
September 6, 2021 Researchers reveal a novel metal where   electrons flow with fluid-like dynamics by Boston College A small crystal of   the new material, a synthesis of Niobium and Germanium (NbGe2), is...
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Enhancing   photoelectric efficiency
September 6, 2021 Enhancing photoelectric efficiency by Michigan   State University Peng Zhang and Yang Zhou are working to improve the quantum   efficiency of photoemission. Credit: Michigan State Univer...
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Tapping into   magnets to clamp down on noise in quantum information
September 3, 2021 Tapping into magnets to clamp down on noise in   quantum information by Argonne National Laboratory Researchers at Argonne   have demonstrated an on-chip quantum circuit and realized str...
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近代物理所在颗粒流靶球集体摩擦磨损方面取得进展
新概念颗粒流靶是加速器驱动次临界系统ADS中高通量散裂靶重要的候选靶型之一。颗粒在流动运行过程中产生的摩擦、磨损将影响靶球的服役寿命和散裂靶装置运行的稳定性。由于服役环境苛刻(高温、强辐射),靶球颗粒数目...
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统一理论解释物质如何从固体变成液体
蜗牛脚下的黏液层是软材料的一个例子,它可在一定的压力下流动。伊利诺伊大学香槟分校的研究人员在一项新研究中简化了这种行为,使蜗牛在移动时不会笨拙地滑动,这与许多其他天然和合成材料的行为类似,如从泥浆到挤...
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中外学者合作实现高空间分辨成像   超单望远镜衍射极限40倍
中新网合肥9月3日电 (记者   吴兰)中国科学技术大学3日消息,该校潘建伟院士、张强教授等与美国诺贝尔奖获得者弗兰克·维尔泽克合作,基于颜色擦除强度干涉的高空间分辨成像实现,并以超过单望远镜衍射极限40倍的结果验...
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中山大学物理与天文学院李林虎副教授在动力学刻画高阶拓扑物态方面取得重要进展
拓扑物相的主要特征为能隙间存在受体拓扑保护的边界态,这类物态通常由定义在整个布里渊区内的拓扑不变量刻画。近年来,一类新型的高阶拓扑相受到广泛关注,其中,具有n阶拓扑性质的d维系统,其拓扑边界态局域在系统...
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中山大学物理与天文学院邓元刚副教授及其合作者在声子聚束态发射方面取得新进展
近日,我校物理与天文学院量子工程与精密测量团队邓元刚副教授与中科院理论所易俗研究员、石弢研究员合作,在中科院一区期刊Photonics   Research上在线发表了题为“Motional n-phonon bundle states of a trapped ato...
How to calculate   the ideal ingredients for nuclear fusion with the most energy
September 2, 2021 How to calculate the ideal ingredients for   nuclear fusion with the most energy by Eindhoven University of Technology   Credit: Pixabay/CC0 Public Domain Nuclear fusion is regarded as t...
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国家重点研发计划政府间国际科技创新合作项目“基于NICA加速器装置稳...
8月31日,由等离子体物理研究所与俄罗斯联合核研究所合作承担的国家重点研发计划政府间国际科技创新合作重点专项“基于NICA加速器装置稳态调节高温超导储能关键技术研究”的结题自评专家评审会在合肥召开,该项目...
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New   superconducting material found
September 2, 2021 New superconducting material found by Max   Planck Society (left) Superconducting (SC) phase diagram of CeRh2As2 for a   c-axis magnetic field determined by various experimental probes. ...
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Photovoltaic   perovskites can detect neutrons
September 2, 2021 Photovoltaic perovskites can detect neutrons   by Ecole Polytechnique Federale de Lausanne (a) Left panel: Schematic   representation of the direct detection of neutron radiation by a MA...
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Putting a new   theory of many-particle quantum systems to the test
September 2, 2021 Putting a new theory of many-particle quantum   systems to the test by Sam Sholtis, Pennsylvania State University New   experiments using trapped one-dimensional quantum gases fit with t...
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Negative   triangularity—a positive for tokamak fusion reactors
September 2, 2021 Negative triangularity—a positive for tokamak   fusion reactors by US Department of Energy Tokamaks, such as the Tokamak   Configuration Variable (TCV) shown here, are donut-shaped devi...
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Video analysis   reveals aspects of posture that lead to success in judo throws
Scientists from the Faculty of Engineering, Information, and   Systems at the University of Tsukuba analyzed video from top-level judo   matches to systematically determine the aspects of posture, just be...
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Researchers find   a way to check that quantum computers return accurate answers
September 2, 2021 Researchers find a way to check that quantum   computers return accurate answers by University of Vienna Multiple quantum   computers using different hardware are tested against each oth...
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Generating   entangled photons with nonlinear metasurfaces
September 2, 2021 Generating entangled photons with nonlinear   metasurfaces by SPIE Illustration of a metasurface generating pairs of   photons (shown as spheres). The photon entanglement can be varied b...
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A surprise result   for solid state physicists hints at an unusual electron behavior
September 2, 2021 A surprise result for solid state physicists   hints at an unusual electron behavior by University of Tokyo An image   captured by laser-PEEM showing the arrangement of electrons in a sa...
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Paving the path   to electrically-pumped lasers from colloidal-quantum-dot solutions
September 2, 2021 Paving the path to electrically-pumped lasers   from colloidal-quantum-dot solutions by Los Alamos National Laboratory   Colloidal quantum dot diodes can be created on the laboratory ben...
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Materials for   superconducting qubits
September 2, 2021 feature Materials for superconducting qubits   by Thamarasee Jeewandara , Phys.org Transmon qubit design and performance.   (a) False color optical image of a representative transmon qub...
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New Bayesian   quantum algorithm directly calculates the energy difference of an atom and   molecule
September 2, 2021 New Bayesian quantum algorithm directly   calculates the energy difference of an atom and molecule by Osaka City   University Left: The phase difference between |0⟩|Ψ⟩ and exp(-iEt)|1...
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How Glaciers Set   a Table
Laboratory experiments reveal the melting process that generates   a commonly seen ice feature called a glacier table.
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进展 |   激光调控外尔准粒子的超快运动
拓扑量子态和拓扑量子材料的理论、实验研究近年来方兴未艾,成为凝聚态物理研究领域的重要前沿。拓扑序作为一种全新的物质分类概念,与对称性一样是凝聚态物理中的基础性概念。对拓扑的深刻理解,关系到凝聚态物理研...
工程材料结构的破坏可以准确预报吗?
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   固体工程材料及其结构与人类发展如影相随,贯穿了人类社会发展的每个阶段。工程材料结构的破坏在带给人类灾难的同时,也不断被探索。然而,从四大...
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Putting a New   Theory of Many-Particle Quantum Systems to the Test
New experiments using trapped one-dimensional gases -- atoms   cooled to the coldest temperatures in the universe and confined so that they   can only move in a line -- fit with the predictions of the rec...
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Surprise Result   for Solid State Physicists Hints at Unusual Electron Behavior
While studying the behavior of electrons in iron-based   superconducting materials, researchers at the University of Tokyo observed a   strange signal relating to the way electrons are arranged. The signa...
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Nano ‘camera’   Made Using Molecular Glue Allows Real-Time Monitoring of Chemical Reactions
Researchers have made a tiny camera, held together with   'molecular glue' that allows them to observe chemical reactions in real time.   advertisement The device, made by a team from the University of Ca...
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Improved   fabrication technique paves way for improved quantum devices
September 1, 2021 Improved fabrication technique paves way for   improved quantum devices by University of Queensland Schematic of a   superconducting circuit being imaged using terahertz scanning near-fi...
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Aloof neutrons   may actually 'talk' to one another briefly in new kind of symmetry
September 1, 2021 Aloof neutrons may actually 'talk' to one   another briefly in new kind of symmetry by Louise Lerner, University of   Chicago University of Chicago and Technical University of Darmstadt ...
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Diagnostic   capability allows scientists to create X-ray movies
September 1, 2021 Diagnostic capability allows scientists to   create X-ray movies by Michael Padilla, Lawrence Livermore National   Laboratory The Bipolar Reset Experiment (BIRX) was conducted at Site 30...
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Gap solitons   break one-dimensional coherent atomic systems
September 1, 2021 Gap solitons break one-dimensional coherent   atomic systems by Zhang Nannan, Chinese Academy of Sciences Optical lattice,   trapping scheme and band gap structure. Credit: XIOPM As the ...
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Understanding how   electrons drive chemical reactions
September 1, 2021 Understanding how electrons drive chemical   reactions by Andrew Czyzewski, Imperial College London Credit: Imperial   College London An Imperial-led team of international researchers ha...
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New molecular   device has unprecedented reconfigurability reminiscent of brain plasticity
September 1, 2021 New molecular device has unprecedented   reconfigurability reminiscent of brain plasticity by Texas A&M University   Credit: Pixabay/CC0 Public Domain In a discovery published in the jou...
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Simulating   Quantum Particles on a Lattice
A new quantum simulator uses microwave photons in a   superconducting cavity to simulate particles on a lattice similar to those   found in superconductors or atomic nuclei.
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Fast tool   developed for quantum computing and communication
September 1, 2021 Fast tool developed for quantum computing and   communication by Wits University Credit: Wits University Isaac Nape, an   emerging South African talent in the study of quantum optics, is...
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Ultrafast   electronic control of magnetic anisotropy by mid-infrared light
September 1, 2021 Ultrafast electronic control of magnetic   anisotropy by mid-infrared light by Osaka University (Top panel) Schematic   image of the magnetic anisotropy control by resonant pumping of ph...
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Physicists find   'magnon' origins in 2D magnet
September 1, 2021 Physicists find 'magnon' origins in 2D magnet   by Jade Boyd, Rice University Rice University graduate student Lebing Chen   used a high-temperature furnace to make chromium triiodide cr...
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Quantum Emitters:   Beyond Crystal Clear to Single-Photon Pure
Photons -- fundamental particles of light -- are carrying these   words to your eyes via the light from your computer screen or phone. Photons   play a key role in the next-generation quantum information ...
Physicists Find   'Magnon' Origins in 2D Magnet
Rice physicists have confirmed the topological origins of   magnons, magnetic features they discovered three years ago in a 2D material   that could prove useful for encoding information in the spins of e...
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New Molecular   Device Has Unprecedented Reconfigurability Reminiscent of Brain Plasticity
In a discovery published in the journal Nature, an international   team of researchers has described a novel molecular device with exceptional   computing prowess. advertisement Reminiscent of the plastic...
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二维材料范德华界面力学研究获进展
近日,中国科学院国家纳米科学中心研究员张忠、刘璐琪团队等,在范德华界面力学行为研究方面取得重要进展。相关研究成果以Elastocapillary   cleaning of twisted bilayer graphene interfaces为题,在线发表在Nature ...
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中科院生态中心曲久辉院士、耶鲁大学Elimelech院士团队JACS:离子跨膜传输脱水合过程的原位表征
点击上方蓝字 关注我们 第一作者:陆成海 通讯作者:胡承志、Menachem Elimelech、曲久辉   通讯单位:中国科学院生态环境研究中心、耶鲁大学 论文DOI:10.1021/jacs.1c05765 图片摘要 成果简介 近日,中科院生态环境研...
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激光调控外尔准粒子的超快运动
拓扑量子态和拓扑量子材料的理论、实验研究近年来方兴未艾,成为凝聚态物理研究领域的重要前沿。拓扑序作为一种全新的物质分类概念,与对称性一样是凝聚态物理中的基础性概念。对拓扑的深刻理解,关系到凝聚态物...
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医疗器械检测联合实验室助推安徽高端医疗装备创新发展
近日,中科院合肥物质科学研究院与上海医疗器械检验研究院签订战略合作协议。在省市有关部门、合肥产投集团、合肥高新区的大力支持下,多方强强合作,充分发挥各自优势及融合创新力量,共建医疗器械检测联合实验...
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State-of-the-art   computer code could advance efforts to harness fusion energy
August 31, 2021 State-of-the-art computer code could advance   efforts to harness fusion energy by Princeton Plasma Physics Laboratory   Credit: CC0 Public Domain Think of light bulb filaments that glow w...
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A unique scanning   tunneling microscope with magnetic cooling to study quantum effects
August 31, 2021 A unique scanning tunneling microscope with   magnetic cooling to study quantum effects by Forschungszentrum Juelich Prof.   Stefan Tautz (left below), Dr Taner Esat (left above) and Prof....
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Exploring quantum   correlations of classical light source for image transmission
August 31, 2021 Exploring quantum correlations of classical   light source for image transmission by Chinese Academy of Sciences Credit:   Lixiang Chen There has been an interesting debate on the quantum ...
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To develop   quantum networks, the unique needs of industry must be considered and may   provide a solution
August 31, 2021 To develop quantum networks, the unique needs of   industry must be considered and may provide a solution by American Institute   of Physics Control mechanism for proposed quantum network....
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Voices of reason?   Study links acoustic correlations, gender to vocal appeal
August 31, 2021 Voices of reason? Study links acoustic   correlations, gender to vocal appeal by American Institute of Physics This   graphic illustrates the vowel space area from a single talker. Each pe...
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New family of   ferroelectric materials raises possibilities for improved information and   energy storage
August 31, 2021 New family of ferroelectric materials raises   possibilities for improved information and energy storage by Jamie Oberdick,   Pennsylvania State University Part of the process of creating ...
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Measurement   beyond standard quantum limit realized with nitrogen-vacancy centers in   diamond
August 31, 2021 Measurement beyond standard quantum limit   realized with nitrogen-vacancy centers in diamond by Liu Jia, Chinese Academy   of Sciences Fig. 1 Dynamics and control of a single NV center. (...
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Compact speaker   systems direct sound efficiently
August 31, 2021 Compact speaker systems direct sound efficiently   by American Institute of Physics A compact speaker system designed to   maximize the amount of sound moving toward zero degrees and minim...
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Physicists use a   new absorbing-state model to investigate random close packing
August 31, 2021 feature Physicists use a new absorbing-state   model to investigate random close packing by Ingrid Fadelli , Phys.org A   dense random packing of steel ball bearings, dubbed "Random Close ...
This   rainbow-making tech could help autonomous vehicles read signs
August 31, 2021 This rainbow-making tech could help autonomous   vehicles read signs by Charlotte Hsu, University at Buffalo A scanning   electron microscope image shows the microscale concave interface s...
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Protruding eyes,   mouth make stingrays more hydrodynamically efficient
August 31, 2021 Protruding eyes, mouth make stingrays more   hydrodynamically efficient by American Institute of Physics Schematic of the   self-propelled flexible plate with eyes and mouth. Credit: Qi-an...
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变程跃迁导电复仇记
|作者:林志忠† (台湾交通大学电子物理系) 本文选自《物理》2021年第8期   半导体工艺和工业改写了半个多世纪以来的人类文明,是一个毋庸置疑更无需再论证的当前事实。有关半导体材料、物理及器件发展故事的报道,汗牛...
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The Minimum   Temperature for Levitating Droplets
For water on hot surfaces, the Leidenfrost effect endures at   temperatures much lower than those needed for onset, regardless of surface or   fluid properties.
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Physicists   Develop New Unique Scanning Tunneling Microscope With Magnetic Cooling to   Study Quantum Effects
Scanning tunneling microscopes capture images of materials with   atomic precision and can be used to manipulate individual molecules or atoms.   Researchers have been using the instruments for many years...
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A Unifying View   of Thin-Plate Fracture
A new theoretical framework simultaneously describes the bending   and the fracturing of thin plates, offering a way to tackle complex cracking   problems that involve both modes of mechanical deformation...
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How Ant Teeth Cut   Like a Scalpel
Ever wonder how tiny creatures can so easily slice, puncture, or   sting? New research reveals that ants, worms, spiders, and other tiny   creatures have a built-in set of tools that would be the envy of ...
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Anchoring Single   Atoms
There is a dictum to "never change a running system."   New methods can however be far superior to older ones. While to date chemical   reactions are mainly accelerated by catalytic materials that compris...
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力学信号调控细胞间的远程作用及自组织行为
细胞协同迁移在多种生理和病理过程中都至关重要,例如生命体的形态发生、伤口愈合、癌症侵袭和免疫反应。在协同迁移过程中,细胞是如何进行通讯的也是一直以来备受关注的问题。近几十年来,研究发现细胞外基质   (...
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在石墨烯中实现手征对称性破缺
本文选自《物理》2021年第8期 (北京大学 王树峰 编译自 Christopher Gutiérrez.   Physics,May 19,2021) 石墨烯的迷人特性源于其原子排列成二维蜂窝晶格(图(a))。其具有的对称性导致在能量—动量结构中导带和价带相...
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Zapping Germs   with LEDs
Michael Kneissl develops ultraviolet-light-emitting diodes that   can neutralize bacteria and viruses in drinking water and on surfaces.
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The Geometry of   Basket Weaving
Researchers teamed up with an artist to tweak a popular   basket-weaving approach, finding a way to weave ribbons to produce any   curvature desired.  
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Fundamental   mechanics help increase battery storage capacity and lifespan
August 30, 2021 Fundamental mechanics help increase battery   storage capacity and lifespan by Avni Shah, University of Southern California   Credit: Pexels, Mohamed Abdelghaffar Batteries are widely used...
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Physicist helps   confirm a major advance in stellarator performance for fusion energy
August 30, 2021 Physicist helps confirm a major advance in   stellarator performance for fusion energy by John Greenwald, Princeton Plasma   Physics Laboratory IPP physicist Andreas Langenberg, left, and ...
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Physicist Helps   Confirm a Major Advance in Stellarator Performance
Stellarators, twisty magnetic devices that aim to harness on   Earth the fusion energy that powers the sun and stars, have long played   second fiddle to more widely used doughnut-shaped facilities known ...
Revealing the   Hidden Structure of Quantum Entangled States
Quantum states that are entangled in many dimensions are key to   our emerging quantum technologies, where more dimensions mean a higher   quantum bandwidth (faster) and better resilience to noise (securi...
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A Universal   Equation for the Shape of an Egg
Researchers from the University of Kent, the Research Institute   for Environment Treatment and Vita-Market Ltd have discovered a universal   mathematical formula that can describe any bird's egg existing...
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颗粒流靶球集体摩擦磨损研究取得进展
新概念颗粒流靶是加速器驱动次临界系统ADS中高通量散裂靶重要的候选靶型之一。颗粒在流动运行过程中产生的摩擦、磨损将影响靶球的服役寿命和散裂靶装置运行的稳定性。由于服役环境苛刻(高温、强辐射),靶球颗粒数目...
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3D Collimation of   Matter Waves
An innovative matter-wave lens exploiting atomic interactions is   able to slow the expansion of a Bose-Einstein condensate in three dimensions,   thus reaching unprecedented ultralow temperatures.
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芬兰奥卢大学黄建安课题组AOM:散射、吸收共振峰位分离对于表面增强拉曼信号的影响
创新点:传统表面增强拉曼衬底具有峰位重叠的散射和吸收共振峰,从而无法区分散射和吸收共振对增强能力的影响。芬兰奥卢大学黄建安课题组和意大利技术研究所De   Angelis课题组合作合成双曲超材料表面增强拉曼光热双功...
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New Mathematical   Solutions to an Old Problem in Astronomy
For millennia, humanity has observed the changing phases of the   Moon. The rise and fall of sunlight reflected off the Moon, as it presents   its different faces to us, is known as a "phase curve." Measu...
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Turning Thermal   Energy Into Electricity
With the addition of sensors and enhanced communication tools,   providing lightweight, portable power has become even more challenging.   Army-funded research demonstrated a new approach to turning therm...
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Can a Piece of   Sticky Tape Stop Computer Hackers in Their Tracks?
Researchers from the University of Technology Sydney (UTS) and   TMOS, an Australian Research Council Centre of Excellence, have taken the   fight to online hackers with a giant leap towards realizing aff...
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Nanoscale Systems   for Generating Various Forms of Light
For decades, scholars have believed that the quantum statistical   properties of bosons are preserved in plasmonic systems, and therefore will   not create different form of light. advertisement This rapi...
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A New Model for   Group Decision-Making Shows How 'Followers' Can Influence the Outcome
From small committees to national elections, group   decision-making can be complicated -- and it may not always settle on the   best choice. That's partly because some members of the group do research   on...
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Ultrafast   Electron Microscopy Leads to Pivotal Discovery
Ultrafast electron microscope opens up new avenues for the   development of sensors and quantum devices. advertisement Everyone who has   ever been to the Grand Canyon can relate to having strong feelings...
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Scientists   Discover a New Type of Infrared Polaritons at the Surface of Bulk Crystals
An international team has reported in Nature the first   observation of ghost polaritons, which are a new form of surface waves   carrying nanoscale light strongly coupled with material oscillations and f...
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Observing a   Higher-Dimensional Topological State With Metamaterials
Linked Weyl surfaces, a novel type of topological phase that   exists in five-dimensional space, were experimentally observed for the first   time by a team led by Professor Shuang ZHANG from the Departme...
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Surprisingly   popular voting algorithm developed to recover ranked choices
Imagine you are asked to rank the counties in Pennsylvania in   terms of number of COVID-19 infections. Or you may be asked to rank the   following cities in Pennsylvania based on their populations: Harri...
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Hexagonal boron   nitride as a tunnel barrier for ferromagnetic tunnel junctions
August 27, 2021 Hexagonal boron nitride as a tunnel barrier for   ferromagnetic tunnel junctions by Tohoku University, Tohoku University   Transmission functions of an evanescent state across the tunnel b...
Novel physics   gives rise to the highest coherence for microscopic lasers
August 27, 2021 Novel physics gives rise to the highest   coherence for microscopic lasers by Tine Naja Berg, Technical University of   Denmark Credit: ORNL Scientists from DTU have shown that a Fano lase...
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Simulations of   polymers? A quantum puzzle
August 27, 2021 Simulations of polymers? A quantum puzzle by   International School of Advanced Studies (SISSA) The study provides a first   example of how quantum computing can be used for studying key p...
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Researchers   develop novel analog processor for high performance computing
August 27, 2021 Researchers develop novel analog processor for   high performance computing by George Washington University Researchers at the   George Washington University have developed a nanophotonic ...
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LED material   shines under strain
August 27, 2021 LED material shines under strain by Rachel   Berkowitz, Lawrence Berkeley National Laboratory Applying mechanical strain   on this atomically thin, transparent monolayer semiconductor resu...
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Friction and wear   behavior of tungsten alloy balls revealed
August 27, 2021 Friction and wear behavior of tungsten alloy   balls revealed by Zhang Nannan, Chinese Academy of Sciences Fig. 1. The wear   evolution process of tungsten alloy balls during collective mo...
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A new type of   infrared polaritons at the surface of bulk crystals
August 27, 2021 A new type of infrared polaritons at the surface   of bulk crystals by CUNY Advanced Science Research Center Illustration of   ghost polaritons propagating away from a point source over a ...
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Nanoscale systems   for generating various forms of light
August 27, 2021 Nanoscale systems for generating various forms   of light by Louisiana State University Multiparticle scattering in plasmonic   systems. Credit: LSU For decades, scholars have believed tha...
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The LIGO/Virgo   Collaboration sets new constraints on cosmic strings
August 27, 2021 feature The LIGO/Virgo Collaboration sets new   constraints on cosmic strings by Ingrid Fadelli , Phys.org Credit:   Unsplash/CC0 Public Domain The LIGO/Virgo/KAGRA Collaboration, a large ...
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Luminescence   mechanism of lead-free double perovskite Cs2NaBiCl6 crystal under high   pressure
August 27, 2021 Luminescence mechanism of lead-free double   perovskite Cs2NaBiCl6 crystal under high pressure by Li Yuan, Chinese Academy   of Sciences Graphical abstract. Credit: DOI: 10.1021/acs.jpclet...
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The physics   behind a water bear's lumbering gait
August 27, 2021 The physics behind a water bear's lumbering gait   by Rockefeller University SEM image of Milnesium tardigradum in active state.   Credit: PLoS ONE 7(9): e45682. doi:10.1371/journal.pone.0...
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Discovery of   Two-Phase Superconductivity in CeRh2As2
The phenomenon of superconductivity, providing current   transmission without dissipation and a host of unique magnetic properties   arising from macroscopic quantum coherence, was first discovered over a...
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Research finally   reveals ancient, universal equation for the shape of an egg
Researchers from the University of Kent, the Research Institute   for Environment Treatment and Vita-Market Ltd have discovered the universal   mathematical formula that can describe any bird's egg existi...
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Study unveils   strain-induced quantum phase transitions in magic-angle graphene
August 26, 2021 feature Study unveils strain-induced quantum   phase transitions in magic-angle graphene by Ingrid Fadelli , Phys.org A   schematic figure of twisted bilayer graphene under strain (we use ...
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Visualizing   microscopic 3D displacements over large areas
August 26, 2021 report Visualizing microscopic 3D displacements   over large areas by Bob Yirka , Phys.org Credit: Physical Review Letters   (2021). DOI: 10.1103/PhysRevLett.127.088003 A team of researche...
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Secrets of   COVID-19 transmission revealed in turbulent puffs
August 26, 2021 Secrets of COVID-19 transmission revealed in   turbulent puffs by Okinawa Institute of Science and Technology Large scale   and small scale dynamics of a turbulent puff. Credit: Okinawa In...
Discovery of   fastest ever magnetic wave propagation
August 26, 2021 Discovery of fastest ever magnetic wave   propagation by Radboud University Credit: Radboud University Like light   waves, magnetic waves move through materials at a fixed maximum velocity...
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A laboratory's   "irritating" byproduct now supplies 2D materials research
August 26, 2021 A laboratory's "irritating" byproduct   now supplies 2D materials research by Ames Laboratory An “irritating   byproduct”of Ames Laboratory’s superconductor research is actually a highl...
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Development of   Cd-free quantum dot synthesis technology
August 26, 2021 Development of Cd-free quantum dot synthesis   technology by Daegu Gyeongbuk Institute of Science and Technology Quantum dot   synthesis of an Indium phosphide core-shell with high color p...
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Scientists get   photons to interact with pairs of atoms for the first time
August 26, 2021 Scientists get photons to interact with pairs of   atoms for the first time by Nik Papageorgiou, Ecole Polytechnique Federale de   Lausanne Credit: Ella Maru studio Physicists at EPFL have...
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聚合物玻璃的橡胶态表面   |《自然》论文
许多新兴材料,例如常用于手机屏幕和OLED电视屏幕的超稳定玻璃,它们的一些特性要归功于玻璃成型液体表面增强的分子运动梯度。   在玻璃态聚合物中,除了界面分子运动梯度的长度尺度之外,还存在第二个长度尺度——聚合...
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进展 |   新型二维磁性材料VTe₂中的奇异磁性和多铁性
低维磁性体系以其新奇的晶体结构和量子特性,在自旋电子学等方面具有广阔的应用前景。磁性多层薄膜CrI3的成功制备,使二维磁性材料的发现和探索成为凝聚态物理科学研究的重要前沿。目前,低维磁性半导体的研究主要集...
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高分子结晶领域取得系列进展
1957年,Andrew   Keller在高分子单晶研究的基础上提出了折叠链结晶模型,高分子结晶学由此成为高分子物理领域的基本研究内容之一。目前,结晶性高分子材料约占所有热塑性高分子材料的70%,因此高分子结晶的研究也受到...
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一作+通讯!清华大学杨杰最新Nature
编者按   iNature是中国最大的学术公众号,由清华大学,哈佛大学,中科院等多单位的博士团队联合打造,现推出iNature人才公众号,专注于人才招聘,学术进展,科研资讯,感兴趣的可以长按或者扫描下方的二维码关注我们。...
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Promising   Candidates Revealed for Next-Generation LED-Based Data Communications
A new paper from the University of Surrey and the University of   Cambridge has detailed how two relatively unexplored semiconducting materials   can satisfy the telecommunication industry's hunger for en...
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Engineers Create   Double Layer of Borophene
For the first time, Northwestern University engineers have   created a double layer of atomically flat borophene, a feat that defies the   natural tendency of boron to form non-planar clusters beyond the ...
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Cool New   Technique Allows Easier Measurements of Key Particle Property
Scientists from the BASE-collaboration, led by RIKEN scientists,   have developed a new cooling method that will allow easier measurements of a   property of protons and antiprotons called the magnetic mo...
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New quantum   'stopwatch' can improve imaging technologies
August 24, 2021 New quantum 'stopwatch' can improve imaging   technologies by University of Colorado at Boulder Credit: CC0 Public Domain   Researchers at the University of Colorado Boulder have designed ...
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2021年全国大学生数学建模竞赛赛区工作会议顺利举行
2021年8月20日上午,2021年全国大学生数学建模竞赛赛区工作会议在线上顺利召开。本次会议邀请了中国工业与应用数学学会(以下简称学会)竞赛工作委员会委员张之正教授,全国大学生数学建模竞赛组织委员会(以下简称全...
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Fully-gapped   pairing in the new vanadium-based Kagome superconductors
August 25, 2021 Fully-gapped pairing in the new vanadium-based   Kagome superconductors by Science China Press The crystal structure of   CsV3Sb5, with V atoms forming a Kagome lattice. Credit: Science Ch...
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《数学建模与中国创造》系列公益讲座圆满结束
2021年是全国大学生数学建模竞赛创赛30周年,为进一步加强大家对数学建模的了解,宣传数学建模在各领域的广泛应用,中国工业与应用数学学会全国大学生数学建模竞赛组织委员会联合高等教育出版社和中国大学生在线共同...
仅由电子构成的奇异晶体!
在通常情况下,材料中的电子表现得像无序的液体。但在1934年,物理学家尤金·维格纳(Eugene   Wigner)基于量子力学做出了一个理论预测。他提出,当金属中的电子的动能和密度可以降低到足够低的程度时,轨道上的电子会...
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进展|   基于预啁啾管理放大技术的高增益高平均功率光纤激光器
高功率超快光纤激光具有光束质量好、散热性能佳、转换效率高、体积尺寸小等优势,在工业制造、国防军事及医疗检测等领域具有重要应用。除了工业领域脆性材料加工和微纳结构制造方面日益增长的需求外,高重频高功率超...
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基于金属卤化物钙钛矿材料的高效发光二极管
|作者:苑帅 沈万姗 廖良生† ( 苏州大学功能纳米与软物质研究院 江苏省碳基功能材料与器件重点实验室 )   本文选自《物理》2021年第6期 摘要 金属卤化物钙钛矿半导体既在光伏器件研究中获得巨大进展,又在发光应用中体...
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69天后,“它”再登Nature
具有面心立方(fcc)结构的单相高、中熵合金,通常具有较高的拉伸延展性和优异的柔韧性,但它们的室温强度较低。晶界、孪晶界、溶质原子和析出相等位错障碍可以提高合金强度。然而,除了少数例外,这些障碍往往会降低其...
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超声学实验室张海澜研究员出版声学教材《计算声学》
  声学与人类生活和生产实践密切相关,应用遍及许多领域,当前发展十分迅速。传统的声学理论通常只能针对比较简单的情况得到解析结果,对于大量复杂的实际问题,很难得到定量的结果。随着科学技术的发展,数值计算...
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基于预啁啾管理放大技术的高增益高平均功率光纤激光器
  高功率超快光纤激光具有光束质量好、散热性能佳、转换效率高、体积尺寸小等优势,在工业制造、国防军事及医疗检测等领域具有重要应用。除了工业领域脆性材料加工和微纳结构制造方面日益增长的需求外,高重频高功...
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CRPS:香港城大王钻开/大连理工马学虎关于防霜研究的综述   | Cell Press论文速递
物质科学 Physical science   2021年7月1日,香港城市大学王钻开机械工程讲座教授、大连理工马学虎教授合作在Cell Press细胞出版社期刊Cell Reports   Physical Science上发表综述文章,揭露了冷凝结霜的过程,总结了近年...
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Advanced Quantum   Technologies (QUTE): 能源应用中的量子传感:回顾与展望
关键词:化石能源;量子信息科学;量子材料;量子传感   量子信息科学(QIS)是量子力学与信息科学理论的融合。其中,量子力学理论包括对物质和能量的概率描述,可以更好地解释经典体系中缺失的物理系统,而信息理论根...
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授时中心在高性能小型化相干布居囚禁原子钟研究中获进展
近日,中国科学院国家授时中心张首刚和研究员云恩学带领的原子钟研究团队研制出高性能小型化相干布居囚禁(CPT)原子钟,解决了高性能CPT原子钟难以小型化的问题。     时间是目前测量精度最高的物理量,基于光晶...
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研究人员在拓扑磁性材料中实现Dzyaloshinskii-Moriya相互作用的电调控
近日,中国科学院合肥物质科学研究院强磁场科学中心研究员田明亮、周建辉研、朱相德和澳大利亚皇家墨尔本理工大学教授王澜课题组合作,在层状手性磁材料拓扑霍尔效应量子调控研究中取得进展。研究发现,在过渡金...
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授时中心时间尺度算法研究获进展
Kalman滤波时间尺度算法是时间产生和保持工作的常用方法,在守时实践中具有重要的实用价值。然而,当钟差数据异常时,会使Kalman滤波时间尺度算法中状态估计出现异常扰动,从而降低时间尺度的准确性和稳定性。因...
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物理所在高重复频率极紫外相干光脉冲的产生研究中取得进展
处于极紫外(XUV)波段的高次谐波(HHG)由于具有优良的相干性、极短的脉冲宽度、宽波段的覆盖范围及体积小、使用方便等优点,自出现以来一直备受学界重视。特别是高重复频率的HHG不仅是实现极紫外光学频率梳的关...
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上海天文台等在磁星研究中获进展
磁星是宇宙中一类具有超强磁场的特殊天体,其磁场强度可达1014-1015高斯,为地球磁场的百万亿倍以上。目前,仅发现31颗磁星及其候选体,它们通常表现为软γ射线重复暴和反常X射线脉冲星。仅6颗磁星探测到射电波段...
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基于瞬态光电压测量的缺陷态抽取技术   |《科学报告》前100亮点文章
实际制备的钙钛矿太阳能电池器件存在缺陷能态。缺陷态会影响载流子的复合,从而影响器件的能量转换效率。因此搞清楚器件内部的缺陷态分布显得极为重要。
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无序态对二维超导特性的影响
超导量子相变已有四十余年的研究历史,无序被认为是对其最重要的影响因素之一,因此受到广泛关注。针对超导量子相变的临界性质,复旦大学修发贤、北京大学谢心澄、北京师范大学刘海文和中山大学邓少芝课题组巧妙地通...
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图解论文 |   适用于重离子实验的紧凑型谱仪
本期图解论文,我们推荐清华大学王轶杰、肖志刚发表于Nuclear Science and Techniques的文章CSHINE   for studies of HBT correlation in Heavy Ion   Reactions《重离子核反应中用于粒子HBT关联研究的紧凑型谱仪(CSHIN...
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华中科技大学常海欣团队QUTE:   化学气相沉积大面积外尔拓扑半金属WTe2少层薄膜中面外极化自旋电流的发现
创新点:华中科技大学材料科学与工程学院常海欣教授与新加坡国立大学Hyunsoo   Yang教授,通过自旋转矩铁磁共振技术(ST-FMR),首次在化学气相沉积法(CVD)生长的厘米级外尔拓扑半金属少层WTe2薄膜中观测到了面内及面...
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单层Fe(Te,Se)高温超导体:一个可拓展、可调控的马约拉纳平台   | NSR
在凝聚态物理体系中,探寻马约拉纳(Majorana)零能模式是当前的研究热点之一。它遵循非阿贝尔统计,可以用来构建拓扑量子比特,从而实现拓扑量子计算。过去,在实验上实现马约拉纳零能模的主要方法是制造“纳米线-超导...
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在满壳半导体-超导体纳米线中,诱导零偏置峰的是安德列夫态而非马约拉纳模式|Science一周精选
点击上方蓝色字,关注我们 研究人员无法证实一个据称标志着马约拉纳束缚态(Majorana bound   states)存在的特征(它们是可能成为拓扑量子计算基石的不同寻常的准粒子)实际上是由于满壳半导体/超导体纳米线中难以捉摸...
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PRL:量子网络与纠缠传输
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月 量子网络中,传递信息的基本单位——量子比特   (qubit)——可以 以一定的方式相互纠缠在一起。这种量子纠缠是实现量子计算的必需资源。然而,当两个...
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献礼七一,PST影响因子再创新高!
6月30日,科睿唯安(Clarivate Analytics)发布2020年期刊引证报告,其中Plasma Science   and Technology (PST) 的最新影响因子再创新高达到1.567,实现了连续7年增长,标志着PST的国际影响力逐年稳步提升。   20...
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等离子体所在《物理学报》期刊发表综述文章
近日,等离子体所陈长伦研究员在《物理学报》(Acta Physica   Sinica)期刊上发表综述论文——“等离子气化技术用于固体废物处理的研究进展”。   等离子气化技术因具有高效、环保和能源转化率高等特点而被应用...
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固态微波毫米波器件技术进展
摘要   固态微波毫米波半导体材料与器件、固态微波毫米波电路与模块、毫米波与太赫兹技术以及新型固态微波毫米波器件在近年来有很大的发展,在相控阵雷达、电子战、军民用通信领域有广泛的应用前景。当前这些器件应用较...
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上海光机所在窄脉宽大能量长波红外激光技术方面取得新进展
上海光学精密机械研究所空间激光信息技术研究中心高功率光纤激光技术实验室(上海市全固态激光器与应用技术重点实验室)在窄脉宽大能量长波红外激光技术方面取得了新进展。通过对振荡器的结构进行优化设计,压缩了...
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上海光机所在CsPbBr3钙钛矿量子点掺杂光纤的制备和光谱性能研究方面取得新进展
近日,上海光学精密机械研究所高功率激光单元技术实验室在无机CsPbBr3钙钛矿量子点掺杂光纤的制备和光谱性能研究方面取得新进展。研究人员尝试采用堆垛法制备了光纤预制棒,再进行拉丝和热处理得到了具有良好稳定...
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全无机钙钛矿太阳能电池研究取得新进展
近年来,以CsPbI3为代表的全无机钙钛矿光吸收材料拥有出色的热稳定性和光电稳定性,且其1.7   eV带隙是高效率钙钛矿/硅叠层太阳能电池的理想选择。因此,全无机CsPbI3钙钛矿太阳能电池已成为新型薄膜太阳能电池新的...
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中国科学院海洋信息技术创新研究院暨声学研究所举行2021年第7期学术交流会
2021年6月25日,中国科学院海洋信息技术创新研究院暨声学研究所2021年第7期学术交流会在北京召开。本次交流会由科技发展部和中科院噪声与振动重点实验室共同举办,邀请北京市劳动保护科学研究所李贤徽研究员、同...
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弛豫铁电性理论   |《科学报告》前100亮点文章
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科学家在亚衍射尺度实现纳米粒子超快光学轨道
实验装置示意图及典型的实验结果 图片来源:降雨强等
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新无金属钙钛矿单晶用于生物友好型X射线探测
近日,中科院大连化学物理研究所研究员刘生忠团队与陕西师范大学教授赵奎合作,在无金属钙钛矿单晶生长及其器件研究中取得新进展,制备出高灵敏度无金属钙钛矿单晶X射线探测器。相关结果发表在Matter上。
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npj:   相变引起热电材料晶格热导率增加—理论诠释
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   为提高热电材料的效率,最有效的方法是降低晶格热导率κ。通常,良好的热电材料本质上有着很低的晶格热导率,这与其声子模式较大非谐性特性相关,...
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李儒新院士:高功率激光与高能粒子加速器的交叉融合
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大脑“低能耗”并“高效响应”的秘诀
(a)RN与MN的结构示意;(b)神经发放率与网络连接消耗随网络重连的变化;(c)RN与MN的神经雪崩规模分布频率;(d)RN与MN受刺激后的响应。
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一个可拓展、可调控的马约拉纳平台
基于单层Fe(Te,Se)实现马约拉纳态的示意图
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之江实验室陈智、浙大邱建荣、华南理工董国平QUTE:圆偏振超快泵浦-探测助力钙钛矿自旋光电子器件发展
摘要:基础及理论、钙钛矿稳态瞬态吸收特性、自旋选择规律和时间分辨法拉第旋转光谱   自旋电子(spintronics)作为信息载体,可为新一代光电子集成器件提供全新、精确可控的自由度,在未来数据处理、信息存储、量子计...
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合金材料的高温水腐蚀研究获进展
强辐照、高温和冷却剂腐蚀环境下材料的服役行为是制约先进核能系统研发的问题之一。近日,中国科学院近代物理所在合金材料的高温水腐蚀和辐照/腐蚀研究方面取得进展。   近代物理所核能工程材料室研究人员针对超临界水...
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浙江大学再发Science,今年第6篇正刊了!
2021年1月29日,浙江大学电镜中心张泽院士团队在Science上发表文章,他们利用像差校正的环境透射电子显微镜,研究了金(Au)和二氧化钛(TiO2)基底之间的界面动态变化,直接原子尺度的观察表明,CO氧化过程中,金纳...
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把「光」存储1小时,中科大新研究破世界纪录,保真度高达96.4%   | Nature子刊
萧箫 发自 凹非寺 量子位 报道 | 公众号 QbitAI 把光“封印”1小时,放出来后还是“活”的,这可能吗?   现在,来自中科大的郭光灿院士团队真的做到了。 他们将600米的光脉冲停下来,在厚度5mm的晶体中保存了1个小时,...
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唐本忠院士谈AIE突破性发现:没有任何研究完全按预期发展
作者 | Philip Ball(《国家科学评论》特约作者)   今年是中科院院士唐本忠及其同事提出聚集诱导发光(AIE)概念20周年。   2001年,唐本忠团队偶然观察到了这一有悖常理的光物理现象,从而在发光材料研究领域取得了重大...
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量子体系中实现动力学环绕非厄米奇异点
|作者:荣星1,2,3 杜江峰1,2,3,† (1 中国科学技术大学 合肥微尺度物质科学国家研究中心) (2 中国科学技术大学   中国科学院微观磁共振重点实验室) (3 中国科学技术大学量子信息与量子科技前沿协同创新中心) 本文选自《...
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山东师范大学尚新新、岳庆炀等:基于二硫化钛可饱和吸收体的被动锁模掺铒光纤激光器
内容介绍 中文摘要: 本文采用液相剥离法和旋涂法合成调制深度为5.08%、饱和强度为10.62   MW/cm2的二硫化钛聚乙烯醇薄膜型可饱和吸收体。由于二硫化钛可饱和吸收体具有很强的非线性饱和吸收特性,在掺铒锁模光纤激光器...
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进展 |   Kagome超导体CsV3Sb5的高压研究进展
通过结构设计使固体材料晶格中的原子按照特定方式排列,可以有效调控电子自旋、电荷以及轨道自由度间的相互作用,进而可实现不同的奇异物态。   例如,准二维Kagome晶格是研究几何阻挫、非平庸拓扑能带以及多种电子自由...
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npj:   自旋霍尔电导率—可寻找高阶拓扑绝缘体?
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   对称性保护拓扑相的发现为凝聚态物理学开辟了一个新的领域。当一个d维拓扑材料被限制在(d-1)维时,受对称性保护的无带隙能带对扰动具有鲁棒性,可...
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打开这个开关,因果关系将不复存在?
图片来源:Cody Muir/Quanta Magazine   一些量子实验的因果性是完全混乱的,受其影响,一些物理学家正在研究如何彻底抛弃因果关系。 撰文|Natalie Wolchover 翻译|杨楠 审校|吴非   王昱 爱丽丝和鲍勃是许多思想实验...
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Nat. Commun.:   兰大团队在超导带材损伤演化检测技术方面取得突破性进展
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   YBCO二代高温超导带材因其具有高临界转变温度、高不可逆磁场和高载流能力,已成为国际学界高度关注并竞相开发应用的一类高性能超导材料,以期用于...
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原位测量量子液体中同位素杂质浓度技术研究获进展
氦是最轻的单原子分子,由不确定性关系可知在液相或固相中氦原子具有剧烈的量子零点运动,因而是研究量子液体与量子固体最合适的体系。氦也是最纯净的体系——所有由其他元素构成杂质都将因为范德华相互作用被吸附固...
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接近绝对零度
如果仅仅用肉眼判断,我们会觉得静止的物体就是完全“不动”的,似乎看不出任何运动。但如果给我们一个“量子透镜”,使我们能够看到单个原子尺度的物体,就会发现一个新的天地:一颗放在桌上的苹果,看起来就会变成...
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光学微纳操控研究取得进展
光学微操控(光镊)技术作为微纳尺度下研究物体运动及其相互作用的关键技术,具有重要的应用价值,因其具有非接触、无损伤、精度高等优点,在物理、化学、微机械、生物大分子互作等领域应用广泛。光对物体的操纵依赖...
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聚集诱导发光研究:通往聚集体科学的铺路石   | NSR专题
□ 赵征、唐本忠   权威《韦氏词典》将分子定义为“保留物质所有属性的最小粒子”,这一定义为分子科学研究奠定了认识论的基础。分子科学本质上属于还原论哲学范畴。与还原论相对应的是整体论。整体论认为整体(如物质...
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高重复频率极紫外相干光脉冲的产生
处于极紫外(XUV)波段的高次谐波(HHG)由于具有优良的相干性、极短的脉冲宽度、宽波段的覆盖范围及体积小、使用方便等优点,自出现以来一直备受人们的重视,特别是高重复频率的HHG不仅是实现极紫外光学频率梳的...
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量子世界的5种诡异现象
尼尔斯·玻尔(Niels   Bohr)曾说,“如果有人在第一次和量子理论打交道时没有感到震惊,那他一定无法理解它”。就连理查德·费曼(Richard   Feynman)这样的天才,都很有把握地说,“没有人懂量子力学”。 这或许是因...
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时间的真正起点,是来自高维世界的黑洞?
有四个空间维度的超宇宙,可能在我们熟知的大爆炸之前就已经存在。我们可以想象,这个四维超宇宙充斥着四维恒星和四维星系。当高维恒星耗尽燃料的时候,就会像我们的三维恒星一样,塌缩成黑洞,而我们这个宇宙的一切...
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国科大博士生导师降雨强研究组在光学微纳操控方面取得新进展
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近代物理所提出绿色制备亚纳米孔道分离膜新方法
具有超小孔径(
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近代物理所在合金材料的高温水腐蚀研究方面取得进展
强辐照、高温和冷却剂腐蚀环境下材料的服役行为是制约先进核能系统研发的瓶颈问题之一。近期,中国科学院近代物理所科研人员在合金材料的高温水腐蚀和辐照/腐蚀研究方面取得进展。     近代物理所核能工程材料室...
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Kagome超导体CsV3Sb5的高压研究进展
通过结构设计使固体材料晶格中的原子按照特定方式排列,可以有效调控电子自旋、电荷以及轨道自由度间的相互作用,进而可实现不同的奇异物态。例如,准二维Kagome晶格是研究几何阻挫、非平庸拓扑能带以及多种电子...
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研究实现和观测非阿贝尓拓扑荷能带系统
直接实验观测到了一维能带系统中的非阿贝尔拓扑荷。图片来源:香港大学张霜等
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研究人员利用超表面设计水下声学轨道角动量复路通讯系统
深海探测及开发能够扩大人类对海洋的认知范围、丰富人类矿藏资源等,因此一直是比较重要的海洋活动。作为常用的探测手段,传统的水声通信存在着传输速度慢、信息容量低的问题,不能满足日益增长的数据传输需求。...
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科研人员在有机微晶中实现室温玻色-爱因斯坦凝聚态
玻色-爱因斯坦凝聚态(Bose-Einstein condensate,   BEC)是继气、液、固以及等离子态之后物质的第五态,该现象最早在处于极低温度下的冷原子中发现。近年来,随着半导体技术的发展,研究发现激子与光子结合生成的激子...
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PRL:超高压下最后一个双原子分子F2的解离
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   在足够高的压力下,所有的分子体系都会解离成原子相,并伴随着新奇特性的出现,如理论预言绝缘的氢分子晶体在高压(大于550 GPa)下转变成金属原...
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高温氟盐原位分析研究取得进展
高温原位谱学技术是熔盐结构研究过程中重要的表征手段,在熔盐反应动力学分析、熔盐界面研究等熔盐化学研究领域中有着重要的应用价值。近日,中国科学院上海应用物理研究所熔盐化学研究团队在高温熔盐原位谱学检测方...
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检验霍金的面积定理
#创作团队: 选题:杭州小张 策划:绞尽脑汁的原原 文字:疯狂赶稿的原原 审校编辑:喜提长鹅的萌大统领   视觉设计:独占两个工位的岳岳 动画效果:永远都在强行蹭热度(其实是为了凑字数)的毛尖尖 #参考来源: http...
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北航孙志梅团队WIREs:   二维磁性材料的理论设计
人工智能、量子计算和物联网等新兴技术的涌现对微电子信息器件提出了更高的要求。自旋电子器件因其功耗低、尺寸小、存储密度高和读写速度快,在未来信息技术中具有广阔的应用前景。因此,研制用于新型信息器件的高性...
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npj:   相场模拟—尽“显”增材制造过程中的晶粒演化
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月 金属增材制造(additive manufacturing,   AM)在制造几何形状复杂的零件以及定制零件的微结构和性能方面具有巨大优势,使其在各行各业中得以应用。...
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如何让脆性铁电单晶,实现抗疲劳超弹性能?
海归学者发起的公益学术平台 分享信息,整合资源 交流学术,偶尔风月   超弹性材料因其独特的力学性能,在可变性结构、机器人、微机电系统(MEMS)等领域具有广泛应用。传统的形状记忆合金(SMA)和近年来发现的相变陶瓷是...
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EAST/DIII-D联合实验在偏滤器脱靶与高约束等离子体兼容集成研究上取得...
日前,等离子体所与美国通用原子公司等机构开展国际合作,在托卡马克偏滤器脱靶与高性能等离子体的兼容集成研究上取得重要进展,相关成果以“Integration   of full divertor detachment with improved core confi...
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2007年,天文学家首次在夜空中发现了一个有趣的信号。它距离我们非常遥远,大约在数十亿光年之外,信号的持续时间又非常短,数毫秒后便一闪而过,消失不见。更令人惊讶的是,它包含的能量格外强,它在几毫秒里释放的...
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新疆天文台在混合型非参数化方法对暗能量状态方程重构研究中获进展
1998年,天体物理学家Riess等使用Ia型超新星(SN   Ia)发现了宇宙加速膨胀,这是自1929年哈勃发现宇宙膨胀以来的宇宙学里程碑事件。科学家进一步提出具有斥力性质的暗能量,来解释宇宙加速膨胀。暗能量研究分为两...
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理化所等在蓝相液晶光子晶体研究中取得进展
软物质材料的制备、性能表征和光学应用研究已成为当前研究热点。蓝相液晶作为典型的软物质材料,介于各向同性态和胆甾相之间的相态具有不同的晶体对称性,从各向同性态开始降温,依次出现非晶态蓝相III   (BPIII),...
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授时中心在日环食对低频时码授时的影响研究中获进展
日环食是一种特殊的天文现象。当日环食发生时,太阳照射到地球的光受月球遮挡,使地球的电离层发生变化。而低频时码信号是依靠电离层的反射而进行长距离传播的。电离层的变化导致低频时码信号的场强发生变化,从...
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上海光机所在自干涉太极光子筛的高精度哈特曼波前传感方面取得进展
上海光学精密机械研究所高功率激光物理联合实验室在古希腊梯子光子筛的基础上,发展了另一类多焦的自干涉太极光子筛,实现了更高精度的哈特曼波前传感,相关成果发表于《工程光学与激光》(Optics   and lasers in...
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物理所等在磁场调制的自旋极化析氧反应研究中取得进展
析氧反应(OER)是太阳能水分解、可充电金属-空气电池、可再生燃料电池、电解水制氢等技术的关键反应之一,其缓慢的动力学过程制约了反应效率的提升。近年来,开发出更高活性的OER催化剂成为材料、化学和能源领域...
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破裂物理研究获进展
近日,中国科学院合肥物质科学研究院等离子体物理研究所EAST团队等离子体破裂物理课题组在破裂物理、逃逸电子和破裂预测等方面取得了系列新进展。相关研究成果发表在Nuclear   Fusion、Plasma Physics and Controlled ...
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进展 |   中子衍射研究:一种新的自旋结构及巨压磁效应
压磁效应(Baromagnetic Effect,   BME),即压力诱导磁矩变化的效应,其在智能设备、传感器和磁电(ME)应用等领域具有潜在应用价值。   中国科学院物理研究所/北京凝聚态物理国家研究中心磁学国家重点实验室M03组胡凤霞...
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长春理工大学PSS   RRL:基于第一性原理计算的Sb/Bi横向异质结及其应变状态下的能带与电子结构
由于具有将载流子限制在二维平面内的独特效应,二维半导体材料近年来吸引了大量的关注。各种二维材料在高性能光电探测器的应用中证明了其优越的性能,其中异质结的构建是研究的热点之一。由于二维材料异质结的两层原...
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Cold Atoms Go   Topological
A lattice of highly excited atoms can exhibit a topological   phase, a new theoretical study shows.  
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Binary Liquid   Mixtures Form Flattened Droplets
Droplets made of a mixture of two liquids with different   volatilities take on a pancake shape.
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AI Promises   Climate-Friendly Materials
Materials scientists are developing better battery components,   faster catalysts, and other green materials. But the magnitude of the task   calls for help from AI and robots.
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Researchers shed   light on memory effects in multi-step evolution of open quantum system
July 7, 2021 Researchers shed light on memory effects in   multi-step evolution of open quantum system by Jane Fan Qiong, University of   Science and Technology of China Credit: Pixabay/CC0 Public Domain ...
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Researchers   identify ultrastable single atom magnet
July 7, 2021 Researchers identify ultrastable single atom magnet   by Institute for Basic Science Dr. Aparajita Singha with one of the   ESR-enabled STM systems at QNS. Credit: QNS Researchers at the IBS ...
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Beyond 5G:   Wireless communications may get a boost from ultra-short collimating metalens
July 7, 2021 Beyond 5G: Wireless communications may get a boost   from ultra-short collimating metalens by Tokyo University of Agriculture and   Technology Ultra-short collimating metalens with a distance...
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Quantum   particles: Pulled and compressed
July 7, 2021 Quantum particles: Pulled and compressed by   University of Innsbruck The quantum motion of a nanoparticle can be extended   beyond the size of the particle using the new technique developed ...
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Quantum Laser   Turns Energy Loss Into Gain?
July 7, 2021 Quantum laser turns energy loss into gain by The   Korea Advanced Institute of Science and Technology (KAIST)   Exciton-polaritonic PT symmetry: Direct coupling between upward- and   downward-p...
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Tiny tools:   Controlling individual water droplets as biochemical reactors
July 7, 2021 Tiny tools: Controlling individual water droplets   as biochemical reactors by Ritsumeikan University Controlling individual   water droplets as biochemical reactors: Scientists from Ritsumei...
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Highest-Energy   Particles Yet Arrive from Ancient Crab Nebula
A little before sunrise on July 4, A.D. 1054, imperial   astronomers of the Song Dynasty in China spotted an unknown star lighting up   the eastern sky. “It’s as bright as Venus, with pointed rays in al...
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Quantum Laser   Turns Energy Loss Into Gain?
Scientists at KAIST have fabricated a laser system that   generates highly interactive quantum particles at room temperature. Their   findings, published in the journal Nature Photonics, could lead to a s...
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Unlocking   Radiation-Free Quantum Technology With Graphene
Rare-earth compounds have fascinated researchers for decades due   to the unique quantum properties they display, which have so far remained   totally out of reach of everyday compounds. One of the most r...
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Cutting Through   Noise for Better Solar Cells
As society moves towards a renewable energy future, it's crucial   that solar panels convert light into electricity as efficiently as possible.   Some state-of-the-art solar cells are close to the theoret...
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A Gentle Twist on   DNA
A new technique allows measurements of DNA’s resistance to   twisting under previously hard-to-access, biologically relevant conditions.
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A new   understanding of patterns in fluid flow
July 6, 2021 A new understanding of patterns in fluid flow by   Tokyo University of Agriculture and Technology (a) A fluid (blue colored) in   finiteness surrounded by less viscous white fluid. (b) VF obs...
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In-situ   diagnostic of femtosecond laser probe pulses for ultrafast imaging   applications
July 6, 2021 feature In-situ diagnostic of femtosecond laser   probe pulses for ultrafast imaging applications by Thamarasee Jeewandara ,   Phys.org Concept and experimental setup - (a) Concept of the tra...
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Ultra-strong   squeezing of light demonstrated for ultrafast optical signal processing
July 6, 2021 Ultra-strong squeezing of light demonstrated for   ultrafast optical signal processing by Singapore University of Technology and   Design Schematic of the USRN compressor system. The system i...
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Scientists   discover support for disputed universal truth of particle physics
July 6, 2021 Scientists discover support for disputed universal   truth of particle physics by Lancaster University Credit: The Atlas   Collaboration A measurement of a fundamental principle of the standa...
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Developing New   Techniques to Build Biomaterials
Scientists at the University of Leeds have developed an approach   that could help in the design of a new generation of synthetic biomaterials   made from proteins. advertisement The biomaterials could ev...
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"A Random   Walk in Physics": ricercatori del Cnr spiegano la complessità
Copertina del libro La casa editrice Springer ha recentemente   pubblicato un libro divulgativo su numerosi temi riguardanti la fisica della   complessità: il titolo è "A Random Walk in Physics" e gli a...
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Piezoelectric   microelectromechanical system-based optical metasurfaces
July 5, 2021 feature Piezoelectric microelectromechanical   system-based optical metasurfaces by Thamarasee Jeewandara , Phys.org 2D   wavefront shaping with the MEMS-OMS. (A) Schematic of mirror-like lig...
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Instability in   Black Hole Vibrational Spectra
A new analysis of black hole vibrational spectra identifies   which frequencies are stable to perturbations—information pertinent for   gravitational-wave analysis and quantum gravity modeling.
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Software   evaluates qubits, characterizes noise in quantum annealers
July 5, 2021 Software evaluates qubits, characterizes noise in   quantum annealers by Los Alamos National Laboratory Credit: CC0 Public Domain   High-performance computer users in the market for a quantum...
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Researchers   discover unusual competition between charge density wave and   superconductivity
July 5, 2021 Researchers discover unusual competition between   charge density wave and superconductivity by Zhang Nannan, Chinese Academy of   Sciences Pressure temperature phase of CsV3Sb5. Credit: Yu e...
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Stretching Solves   a Mystery of Magic-Angle Graphene
Numerical simulations show that discrepancies between   experiments on graphene bilayers can be attributed to tiny amounts of strain   applied to the samples.  
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Ultrathin   Semiconductors Electrically Connected to Superconductors
For the first time, University of Basel researchers have   equipped an ultrathin semiconductor with superconducting contacts. These   extremely thin materials with novel electronic and optical properties ...
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Machine Learning   Cracks the Oxidation States of Crystal Structures
Chemical elements make up pretty much everything in the physical   world. As of 2016, we know of 118 elements, all of which can be found   categorized in the famous periodic table that hangs in every chem...
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New Nanotech Will   Enable a 'Healthy' Electric Current Production Inside the Human Body,   Researchers Report
A new nanotechnology development by an international research   team led by Tel Aviv University researchers will make it possible to generate   electric currents and voltage within the human body through ...
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There May Not Be   a Conflict After All' in Expanding Universe Debate
Our universe is expanding, but our two main ways to measure how   fast this expansion is happening have resulted in different answers. For the   past decade, astrophysicists have been gradually dividing i...
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Astronomers   Discover an Oversized Black Hole Population in the Star Cluster Palomar 5
Palomar 5 is a unique star cluster. This is firstly because it   is one of the "fluffiest" clusters in the halo of our Galaxy, with   the average distance between the