BERRY

作品数：313被引量：341H指数：9
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相关作者：张玉奇易学华任卫东万小芹陈勇更多>>
相关机构：江西师范大学东北师范大学中国科学院南京大学更多>>
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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 
Inheritance of the exciton geometric structure from Bloch electrons in two-dimensional layered semiconductors
《Frontiers of physics》2024年第4期25-35,共11页Jianju Tang Songlei Wang Hongyi Yu 
H.Y.acknowledges the support by the National Natural Science Foundation of China(Grant No.12274477);the Department of Science and Technology of Guangdong Province(No.2019QN01X061).
We theoretically studied the exciton geometric structure in layered semiconducting transition metal dichalcogenides.Based on a three-orbital tight-binding model for Bloch electrons which incorporates their geometric s...
关键词：transition metal dichalcogenides EXCITON geometric structure Berry curvature van der Waals stacking 
Berry curvature in the photoelectron emission delay
《npj Computational Materials》2024年第1期1456-1463,共8页Hyosub Park J.D.Lee 
supported by the Basic Science Research Program(2022R1A2B5B01001582);the EDISON2.0 program(RS-2023-00253716)through the National Research Foundation of Korea(NRF);funded by the Ministry of Science and ICT.
Density fluctuation potential induced by a screening of the photohole scatters the photoelectron and generally causes its emission delay from the scattering matrix in the photoemission spectroscopy,where the photoemis...
关键词：DELAY PHOTOELECTRON CURVATURE 
Gate-tunable Berry curvature in van der Waals itinerant ferromagnetic Cr_(7)Te_(8)
《InfoMat》2024年第3期108-116,共9页Kui Meng Zeya Li Zhansheng Gao Xiangyu Bi Peng Chen Feng Qin Caiyu Qiu Lingyun Xu Junwei Huang Jinxiong Wu Feng Luo Hongtao Yuan 
National Natural Science Foundation of China,Grant/Award Numbers:92365203,52072168,51861145201,12204232,52302180,92064005;National Key Research and Development Program of China,Grant/Award Numbers:2021YFA1601004,2021YFA1202901。
The anomalous Hall effect(AHE)that associated with the Berry curvature of occupied electronic states in momentum-space is one of the intriguing aspects in condensed matter physics,and provides an alternative for poten...
关键词：anomalous Hall effect Berry curvature van der Waals itinerant ferromagnetism 
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 
Nonmonotonic anomalous Hall effect and anisotropic magnetoresistance in SrRuO_(3)/PbZr_(0.52)Ti_(0.48)O_(3)heterostructures
《Chinese Physics B》2023年第10期592-599,共8页王振礼 康朝阳 贾彩虹 郭海中 张伟风 
Project supported by the National Natural Science Foundation of China(Grant No.11974099);the Intelligence Introduction Plan of Henan Province,China in 2021(Grant No.CXJD2021008);the Plan for Leading Talent of Fundamental Research of the Central China in 2020;the Key Scientific Research Project of Colleges and Universities in Henan Province,China(Grant No.21A140005)。
We fabricate SrRuO_(3)/PbZr_(0.52)Ti_(0.48)O_(3)heterostructures each with an in-plane tensile-strained SrRuO_(3)layer and investigate the effect of an applied electric field on anomalous Hall effect.The four-fold sym...
关键词：Berry curvature electric field anomalous Hall effect anisotropic magnetoresistance magnetization rotation 
Valley piezoelectricity promoted by spin-orbit coupling in quantum materials
《Science China(Physics,Mechanics & Astronomy)》2023年第4期133-141,共9页Yilimiranmu Rouzhahong Chao Liang Chong Li Biao Wang Huashan Li 
supported by the National Natural Science Foundation of China(Grant Nos.52072417,and 11832019);NSFC Original Exploration Project(Grant No.12150001);Natural Science Foundation of Guangdong Province(Grant No.2018B030306036);Guangdong Science&Technology Project(Grant No.2019QN01C113);Project of Nuclear Power Technology Innovation Center of Science Technology and Industry for National Defense(Grant No.HDLCXZX-2021-HD-035);Guangdong International Science and Technology Cooperation Program(Grant No.2020A0505020005)。
Quantum materials have exhibited attractive electro-mechanical responses,but their piezoelectric coefficients are far from satisfactory due to the lack of feasible strategies to benefit from the quantum effects.We dis...
关键词：PIEZOELECTRICITY VALLEY modern polarization theory Berry curvature 
Janus VXY monolayers with tunable large Berry curvature
《Journal of Semiconductors》2022年第4期96-111,共16页Wenrong Liu Xinyang Li Changwen Zhang Shishen Yan 
supported by the National Natural Science Foundation of China (Grant No. 52173283);Taishan Scholar Program of Shandong Province (No. ts20190939);the Independent Cultivation Program of Innovation Team of Jinan City (Grant No. 2021GXRC043);Science and technology program of the University of Jinan (No. XKY1912)。
The Rashba effect and valley polarization provide a novel paradigm in quantum information technology. However,practical materials are scarce. Here, we found a new class of Janus monolayers VXY(X = Cl, Br, I;Y = Se, Te...
关键词：Janus VXY valley polarization k·p theory large Berry curvature 
Chiral Anomaly in Non-Relativistic Systems:Berry Curvature and Chiral Kinetic Theory被引量：1
《Chinese Physics Letters》2022年第2期21-27,共7页Lan-Lan Gao Xu-Guang Huang 
supported by the National Natural Science Foundation of China(Grant No.12075061);the Shanghai Natural Science Foundation(Grant No.20ZR1404100)。
Chiral anomaly and the novel quantum phenomena it induces have been widely studied for Dirac and Weyl fermions.In most typical cases,the Lorentz covariance is assumed and thus the linear dispersion relations are maint...
关键词：MOTION BERRY CHIRAL 
Evolution of Berry curvature and reentrant quantum anomalous Hall effect in an intrinsic magnetic topological insulator被引量：2
《Science China(Physics,Mechanics & Astronomy)》2021年第12期138-143,共6页Chui-Zhen Chen Junjie Qi Dong-Hui Xu XinCheng Xie 
supported by the Strategic Priority Research Program of Chinese Academy of Sciences (Grant No.XDB28000000);the National Basic Research Program of China (Grant No.2019YFA0308403);the National Natural Science Foundation of China (Grant Nos.11534001,12074108,11704106,and 11974256);funded by the Natural Science Foundation of Jiangsu Province (Grant No.BK20190813);the Priority Academic Program Development of Jiangsu Higher Education Institutions;supported by the Chutian Scholars Program in Hubei Province。
Recently, the magnetic topological insulator(TI) MnBi2Te4 emerged as a competitive platform to realize quantum anomalous Hall(QAH) states. We report a Berry curvature splitting mechanism to realize the QAH effect in t...
关键词：quantum anomalous Hall effect Berry curvature DISORDER localization 
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