BERRY

作品数：313被引量：341H指数：9
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Quantum geometry in condensed matter
《National Science Review》2025年第3期401-417,共17页Tianyu Liu Xiao-Bin Qiang Hai-Zhou Lu X.C.Xie 
supported by the National Key R&D Program of China(2022YFA1403700);the Innovation Program for Quantum Science and Technology(2021ZD0302400);the National Natural Science Foundation of China(12304196,12350402 and 11925402);the Guangdong Basic and Applied Basic Research Foundation(2022A1515111034,2023B0303000011);the Guangdong Provincial Quantum Science Strategic Initiative(GDZX2201001,GDZX2401001);the Department of Education of Guangdong Province(2020KCXTD001);the Science,Technology and Innovation Commission of Shenzhen Municipality(ZDSYS20190902092905285)and the Center for Computational Science and Engineering of SUSTech.
One of the most celebrated accomplishments of modern physics is the description of fundamental principles of nature in the language of geometry.As the motion of celestial bodies is governed by the geometry of spacetim...
关键词：quantum geometry Berry curvature quantum metric nonlinear transport flat-band superconductor fractional Chern insulator 
Experimental demonstration of topological bounds in quantum metrology
《National Science Review》2024年第10期248-256,共9页Min Yu Xiangbei Li Yaoming Chu Bruno Mera F.NurÜnal Pengcheng Yang Yu Liu Nathan Goldman Jianming Cai 
supported by the National Natural Science Foundation of China(12161141011 and 11874024);the National Key R&D Program of China(2018YFA0306600);Shanghai Key Laboratory of Magnetic Resonance(East China Normal University),the FR S-FNR S(Belgium),the ERC(Starting Grant TopoCold),the Royal Society under a Newton International Fellowship,the Marie Skłodowska-Curie programme of the European Commission 893915,the EOS(CHEQS project);Y.-M.C.is supported by the Young Scientists Fund of the National Natural Science Foundation of China(12304572);the fellowship of China Postdoctoral Science Foundation(2022M721256);M.Y.is supported by the fellowship of China Postdoctoral Science Foundation(2023M741270);Y.L.is supported by the BMBF under the funding program‘quantum technologies-from basic research to market’in the project Spinning(13N16215).
Quantum metrology is deeply connected to quantum geometry,through the fundamental notion of quantum Fisher information.Inspired by advances in topological matter,it was recently suggested that the Berry curvature and ...
关键词：quantum metrology multi-parameter estimation topological bounds Berry curvature Chern number topological phase transition 
Layer Hall effect induced by hidden Berry curvature in antiferromagnetic insulators被引量：1
《National Science Review》2024年第2期10-18,共9页Rui Chen Hai-Peng Sun Mingqiang Gu Chun-Bo Hua Qihang Liu Hai-Zhou Lu X.C.Xie 
supported by the National Key R&D Program of China (2022YFA1403700 and 2020YFA0308900);the National Natural Science Foundation of China (11925402 and 11874195);the National Basic Research Program of China(2015CB921102);the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB28000000);the Basic Science Center Project of National Natural Science Foundation of China (51788104);the Guangdong College Innovation Team (2016ZT06D348 and 2020KCXTD001);the Shenzhen High-level Special Fund (G02206304 and G02206404);the Guangdong Provincial Key Laboratory for Computational Science and Material Design (2019B030301001);the Science,Technology and Innovation Commission of Shenzhen Municipality (ZDSYS20170303165926217, JCYJ20170412152620376 and KYTDPT20181011104202253);support from the project funded by the China Postdoctoral Science Foundation (2019M661678);the SUSTech Presidential Postdoctoral Fellowship;supported by the Natural Science Foundation of Guangdong Province (2021A1515110389);the Science Technology and Innovation Commission of Shenzhen Municipality (JCYJ20210324104812034);the Foundation for Distinguished Young Talents in Higher Education of Guangdong Province (2020KQNCX064)
The layer Hall effect describes electrons spontaneously deflected to opposite sides at different layers,which has been experimentally reported in the MnBi_(2)Te_(4) thin films under perpendicular electric fields.Here,...
关键词：layer Hall effect hidden Berry curvature antiferromagnetic insulator axion insulator quantum transport 
A versatile model with three-dimensional triangular lattice for unconventional transport and various topological effects被引量：1
《National Science Review》2024年第1期199-209,共11页Jing-Yang You Gang Su Yuan Ping Feng 
research/project is supported by the Ministry of Education;Singapore;under its MOE AcRF Tier 3 Award MOE2018-T3-1-002 and MOE AcRF Tier 2 grant;MOE2019-T2-2-030. G.S. is supported in part by the National Key R&D Program of China(2018YFA0305800);the Strategic Priority Research Program of the Chinese Academy of Sciences (XDB28000000);the National Natural Science Foundation of China (11834014)。
The finite Berry curvature in topological materials can induce many subtle phenomena, such as the anomalous Hall effect(AHE), spin Hall effect(SHE), anomalous Nernst effect(ANE), non-linear Hall effect(NLHE) and bulk ...
关键词：three-dimensional triangular lattice different topological phases various topological effects Berry curvature 
Unconventional Hall effect induced by Berry curvature被引量：2
《National Science Review》2020年第12期1879-1885,共7页Jun Ge Da Ma Yanzhao Liu Huichao Wang Yanan Li Jiawei Luo Tianchuang Luo Ying Xing Jiaqiang Yan David Mandrus Haiwen Liu X.C.Xie Jian Wang 
supported by the National Key Research and Development Program of China(2018YFA0305604 and 2017YFA0303300);the National Natural Science Foundation of China(11888101 and 11774008);the Strategic Priority Research Program of Chinese Academy of Sciences(XDB28000000);the Beijing Natural Science Foundation(Z180010).Work at ORNL wassupported by the U.S.Department of Energy,Office of Science,Basic Energy Sciences,Materials Sciences and Engineering Division.
Berry phase and Berry curvature play a key role in the development of topology in physics and do contribute to the transport properties in solid state systems.In this paper,we report the finding of novel nonzero Hall ...
关键词：Berry curvature topological material Hall effect tilted Weyl semimetal Berry phase effect 
Giant magnetic field from moiré induced Berry phase in homobilayer semiconductors
《National Science Review》2020年第1期12-20,共9页Hongyi Yu Mingxing Chen Wang Yao 
supported by the Research Grants Council of Hong Kong(17306819);Croucher Foundation and Seed Funding for Strategic Interdisciplinary Research Scheme of HKU
When quasiparticles move in condensed matters,the texture of their internal quantum structure as a function of position and momentum can give rise to Berry phases that have profound effects on the material’s properti...
关键词：two-dimensional materials transition metal DICHALCOGENIDES moirépattern BERRY phase quantum HALL effect 
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