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Advances on topological materials被引量：4
《Frontiers of physics》2020年第4期33-34,共2页Qian Niu 
The author wishes thank Prof.Shengyuan Yang and Prof.Di Xiao for sharing their views and providing critical comments,and to thank the financial support from DoE(DE FG02-02ER45958,Division of Materials Science and Engineering).
Topological materials refer to solid structures with topo-logically protected electronic states or other degrees of freedom.A prime example is a Chern insulator in which the occupied bands of states are organized with...
关键词：TOPOLOGICAL TRIVIAL EXCITATION 
Active Nematodynamics on Curved Surfaces–The Influence of Geometric Forces on Motion Patterns of Topological Defects
《Communications in Computational Physics》2022年第3期947-965,共19页Michael Nestler Axel Voigt 
financial support by DFG through FOR3013,computing resources provided by PFAMDIS at FZ Julich.
We derive and numerically solve a surface active nematodynamics model.We validate the numerical approach on a sphere and analyse the influence of hydro-dynamics on the oscillatory motion of topological defects.For ell...
关键词：Topological active matter defect dynamics hydrodynamic coupling surfacefinite elements 
Chiral universality class of normal-superconducting and exciton condensation transitions on surface of topological insulator
《Frontiers of physics》2015年第3期65-82,共18页Dingping Li Baruch Rosenstein B. Ya. Shapiro I. Shapiro 
Acknowledgements We are indebted to C. W. Luo, J. J. Lin, and W. B. Jian for explaining the details of their experiments, and T. Maniv and M. Lewkowicz for valuable discussions. The work of D. Li and B. Rosenstein was supported by the NSC of Taiwan, China, Grant No. 98-2112-M-009-014-MY3, and the MOE ATU program. The work of D. Li was also supported by the National Natural Science Foundation of China （Grant No. 11274018）. B. Rosenstein was grateful to the School of Physics of Peking University for its hospitality.
New two-dimensional systems such as the surfaces of topological insulators （TIs） and graphene offer the possibility of experimentally investigating situations considered exotic just a decade ago. These situations in...
关键词：topological insulator Weyl semimetal SUPERCONDUCTIVITY quantum criticality 
Type-II topological metals
《Frontiers of physics》2020年第4期101-112,共12页Si Li Zhi-Ming Yu Yugui Yao Shengyuan A.Yang 
The authors thank D.L.Deng for valuable discussions.The work was supported by the National Natural Sei-ence Foundation of China(Grants No.11734003);the National Key R&D Program of China(Grant No.2016YFA0300600);the Strategic P rorty Researei Prugram uf Chimese Aeadeny uf seenes(GraIL No.XD3000000);the Singapore Ministry of Education AcRF Tier 2(Grant Nos.MOE2017-T2-2-108 and MOE2019-T2-1-001).
Topological metals(TMs)are a kind of special metallic materials,which feature nontrivial band Cross-ings near the Fermi energy,giving rise to peculiar quasiparticle excitations.TMs can be classified based on the chara...
关键词：TYPE-II nodal point nodal line topological metals 
Observation of Giant Topological Hall Effect in Room-Temperature Ferromagnet Cr_(0.82)Te
《Chinese Physics Letters》2024年第6期128-140,共13页苗伟婷 甄伟立 陆振 王恒宁 王杰 牛群 田明亮 
supported by the National Key R&D Program of China(Grant No.2022YFA1602603);the Basic Research Program of the Chinese Academy of Sciences Based on Major Scientific Infrastructures(Grant No.JZHKYPT-2021-08);the National Natural Science Foundation of China(Grant No.12104459);the Excellent Program of Hefei Science Center CAS(Grant No.2021HSC-CIP016)。
Novel magnetic materials with non-trivial magnetic structures have led to exotic magnetic transport properties and significantly promoted the development of spintronics in recent years.Among them is the Crx Tey family...
关键词：mechanism process TOPOLOGICAL 
Rational design of superior catalysts from topological semimetals with nontrivial energy window
《Rare Metals》2024年第5期1956-1964,共9页Min Zhao Li-Rong Wang Wei Liu Ming-Hang Li Ying Liu Xue-Fang Dai Guo-Dong Liu Xiao-Ming Zhang 
financially supported by the National Natural Science Foundation of China(No.12274112);funded by the Overseas Scientists Sponsorship Program of Hebei Province(No.C20210330);the State Key Laboratory of Reliability and Intelligence of Electrical Equipment of Hebei University of Technology(No.EERI_PI2020009);S&T Program of Hebei(No.225676163GH)。
Materials featuring topological energy bands and nontrivial surface states hold significant promise in unlocking unprecedented opportunities for innovating electrocatalytic mechanism.However,it remains a challenge to ...
关键词：First-principles modeling Topological semimetal Nontrivial surface states Hydrogen evolution reaction 
Topological degree for 1-set-contractive fields in M-PN spaces and its applications被引量：7
《Applied Mathematics(A Journal of Chinese Universities)》2010年第4期463-474,共12页WU Zhao-qi ZHU Chuan-xi 
Supported by the National Natural Science Foundation of China (10761007)
In this paper, we define the topological degree for 1-set-contractive fields in PN spaces. Based on this, we obtain some new fixed point theorems for 1-set-contractive operators. As an application, we study the existe...
关键词：PN-space 1-set-contractive operator topological degree fixed point theorem. 
Topologically Protected Polarization Quantum Entanglement on a Photonic Chip被引量：2
《Chip》2022年第1期14-18,共5页Yao Wang Yong-Heng Lu Jun Gao Yi-Jun Chang Ruo-Jing Ren Zhi-Qiang Jiao Zhe-Yong Zhang Xian-Min Jin 
supported by the National Key R&D Program of China(Grants No.2019YFA0706302,No.2017YFA0303700 and No.2019YFA0308700);National Natural Science Foundation of China(Grants No.11761141014,No.61734005,and No.11690033);Science and Technology Commission of Shanghai Municipality(Grants No.17JC1400403 and No.2019SHZDZX01);Shanghai Municipal Education Commission(Grant No.2017-01-07-00-02-E00049).
Quantum entanglement,as the strictly non-classical phenomenon,is the kernel of quantum computing and quantum simulation,and has been widely applied ranging from fundamental tests of quantum physics to quantum informat...
关键词：Photonic chip Quantum entanglement Topological photonics 
Transport features of topological corner states in honeycomb lattice with multihollow structure
《Frontiers of physics》2022年第4期83-89,共7页Kai-Tong Wang Fuming Xu Bin Wang Yunjin Yu Yadong Wei 
supported by the National Natural Science Foundation of China(Grant Nos.12174262 and 11774238);the Natural Science Foundation of Guangdong(Grant No.2020A1515011418);the Natural Science Foundation of Shenzhen(Grant Nos.20200812092737002,JCYJ20190808150409413,JCYJ20190808115415679,and JCYJ20190808152801642).
Higher-order topological phase in 2-dimensional(2D)systems is characterized by in-gap corner states,which are hard to detect and utilize.We numerically investigate transport properties of topological corner states in ...
关键词：second-order topological insulator Kane–Mele model global resonant state single-electron source 
Study of the topological quantities of lattice QCD using a modified DCGAN frame
《Chinese Physics C》2024年第5期151-159,共9页高璘 应和平 张剑波 
A modified deep convolutional generative adversarial network(M-DCGAN)frame is proposed to study the N-dimensional(ND)topological quantities in lattice QCD based on Monte Carlo(MC)simulations.We construct a new scaling...
关键词：lattice QCD generative adversarial network topological charge density Wilson flow 
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