BERRY

作品数：313被引量：341H指数：9
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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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Presentation of the Berry-Tabor conjecture in Levy plates
《Chinese Physics B》2024年第10期240-247,共8页Chao Li Guo-Lin Hou 
supported by the National Natural Science Foundation of China(Grant Nos.12261064 and 11861048);the Natural Science Foundation of Inner Mongolia,China(Grant No.2021MS01004);the Innovation Program for Graduate Education of Inner Mongolia University(Grant No.11200-5223737).
The Berry-Tabor(BT)conjecture is a famous statistical inference in quantum chaos,which not only establishes the spectral fluctuations of quantum systems whose classical counterparts are integrable but can also be used...
关键词：Berry-Tabor conjecture frequency spectra Hamiltonian approach Lévy plates 
Quantum geometric tensor and the topological characterization of the extended Su-Schrieffer-Heeger model
《Chinese Physics B》2024年第3期260-265,共6页曾相龙 赖文喜 魏祎雯 马余全 
Project supported by the Beijing Natural Science Foundation(Grant No.1232026);the Qinxin Talents Program of BISTU(Grant No.QXTCP C201711);the R&D Program of Beijing Municipal Education Commission(Grant No.KM202011232017);the National Natural Science Foundation of China(Grant No.12304190);the Research fund of BISTU(Grant No.2022XJJ32).
We investigate the quantum metric and topological Euler number in a cyclically modulated Su-Schrieffer-Heeger(SSH)model with long-range hopping terms.By computing the quantum geometry tensor,we derive exact expression...
关键词：quantum geometric tensor topological Euler number Chern number Berry curvature quantum metric Su-Schrieffer-Heeger(SSH)model 
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 
Strain-dependent resistance and giant gauge factor in monolayer WSe_(2)
《Chinese Physics B》2021年第9期464-468,共5页Mao-Sen Qin Xing-Guo Ye Peng-Fei Zhu Wen-Zheng Xu Jing Liang Kaihui Liu Zhi-Min Liao 
Project supported by the National Key Research and Development Program of China(Grant No.2018YFA0703703);the National Natural Science Foundation of China(Grant Nos.91964201,61825401,and 11774004).
We report the strong dependence of resistance on uniaxial strain in monolayer WSe_(2)at various temperatures,where the gauge factor can reach as large as 2400.The observation of strain-dependent resistance and giant g...
关键词：strain engineering van der Waals materials symmetry breaking orbital magnetization Berry curvature 
Pancharatnam–Berry metasurface for terahertz wave radar cross section reduction被引量：1
《Chinese Physics B》2019年第9期220-226,共7页Shao-He Li Jiu-Sheng Li 
Project supported by the National Natural Science Foundation of China(Grant Nos.61871355 and 61831012)
The digital coding metasurfaces need several kinds of meta-particle structures to obtain corresponding electromagnetic wave responses and require time-consuming optimization.In this paper, we present train-symbol-shap...
关键词：TERAHERTZ metasurface TERAHERTZ OPTICS TERAHERTZ POLARIZATION 
Weak antilocalization and interaction-induced localization of Dirac and Weyl Fermions in topological insulators and semimetals被引量：1
《Chinese Physics B》2016年第11期26-33,共8页卢海舟 沈顺清 
Project supported by the National Key R&D Program,China(Grant No.2016YFA0301700);the Research Grant Council,University Grants Committee,Hong Kong,China(Grant No.17303714);the National Natural Science Foundation of China(Grant No.11574127);the National Thousand-Young-Talents Program of China
Weak localization and antilocalization are quantum transport phenomena that arise from the quantum interference in disordered metals.At low temperatures,they can give distinct temperature and magnetic field dependence...
关键词：topological Dirac localization symmetry arise Berry correction momentum emergent disordered 
New method for calculating the Berry connection in atom-molecule systems
《Chinese Physics B》2012年第11期74-78,共5页崔傅成 吴宝俊 
Project supported by the National Natural Science Foundation of China (Grant No. 10825417)
In the mean-field theory of atom-molecule systems, where the bosonic atoms combine to form molecules, there is no usual U（1） symmetry, which presents an apparent hurdle for calculating the Berry connection in these ...
关键词：Berry phase NONLINEARITY Hannay＇s angle mean field theory 
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