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Zheng, Y; Yang, SJ; Yang, SJ (reprint author), Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
Topological bands in one-dimensional periodic potentials
Source PublicationPHYSICA B-CONDENSED MATTER
Language英语
KeywordHall Insulators Wave
AbstractWe study the properties of the quantum states in the one-dimensional system with a shifted periodic potential in both the discrete model and the continuous model. With open boundary conditions, the edge states appear in the energy gaps which indicate non trivial topological structures. The Chern numbers with respect to the Bloch vector and the potential shift angle are computed. In the limit of the continuous model, the Chern number of each band is exactly one We demonstrate that the particle number pumped by the adiabatically shift of the potential is directly related to the topological invariants. (C) 2014 Elsevier B.V. All rights reserved.
2014
ISSN0921-4526
Volume454Issue:-Pages:93-97
Subject AreaPhysics
DOI10.1016/j.physb.2014.07.026
Indexed BySCI
Funding OrganizationNSF of China [11374036]; National 973 program [2012CB821403] ; NSF of China [11374036]; National 973 program [2012CB821403] ; NSF of China [11374036]; National 973 program [2012CB821403] ; NSF of China [11374036]; National 973 program [2012CB821403]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15562
Collection理论物理所科研产出_SCI论文
Corresponding AuthorYang, SJ (reprint author), Beijing Normal Univ, Dept Phys, Beijing 100875, Peoples R China.
Recommended Citation
GB/T 7714
Zheng, Y,Yang, SJ,Yang, SJ . Topological bands in one-dimensional periodic potentials[J]. PHYSICA B-CONDENSED MATTER,2014,454(-):93-97.
APA Zheng, Y,Yang, SJ,&Yang, SJ .(2014).Topological bands in one-dimensional periodic potentials.PHYSICA B-CONDENSED MATTER,454(-),93-97.
MLA Zheng, Y,et al."Topological bands in one-dimensional periodic potentials".PHYSICA B-CONDENSED MATTER 454.-(2014):93-97.
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