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Spin Chern numbers and time-reversal-symmetry-broken quantum spin Hall effect
  • ISSN号：1674-1056
  • 期刊名称：《中国物理B：英文版》
  • 时间：0
  • 分类：O[理学]
  • 作者机构：[1]National Laboratory of Solid State Microstructures and Department of Physics, Nanjing University, Nanjing 210093, China, [2]Department of Physics and Astronomy, California State University, Northndge, California 91330, USA
  • 相关基金：Project supported by the National Basic Research Program of China （Grant Nos. 2009CB929504, 2011CB922103, and 2010CB923400）, the National Natural Science Foundation of China （Grant No s. 11225420, 11074110, 11174125, 11074109, and 91021003）, the Priority Academic Program Development of Jiangsu Higher Education Institutions, China, the US NSF （Grant Nos. DMR-0906816 and DMR-1205734）, and Princeton MRSEC （Grant No. DMR-0819860）.
作者： 盛利[1], 李会超[1], 杨运友[1], 盛冬宁[2], 邢定钰[1]
中文摘要：

The quantum spin Hall(QSH) effect is considered to be unstable to perturbations violating the time-reversal(TR) symmetry.We review some recent developments in the search of the QSH effect in the absence of the TR symmetry.The possibility to realize a robust QSH effect by artificial removal of the TR symmetry of the edge states is explored.As a useful tool to characterize topological phases without the TR symmetry,the spin-Chern number theory is introduced.

英文摘要：

The quantum spin Hall （QSH） effect is considered to be unstable to perturbations violating the time-reversal （TR） symmetry. We review some recent developments in the search of the QSH effect in the absence of the TR symmetry. The possibility to realize a robust QSH effect by artificial removal of the TR symmetry of the edge states is explored. As a useful tool to characterize topological phases without the TR symmetry, the spin-Chern number theory is introduced.

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期刊信息
  • 《中国物理B：英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国物理学会和中国科学院物理研究所
  • 主编：欧阳钟灿
  • 地址：北京 中关村 中国科学院物理研究所内
  • 邮编：100080
  • 邮箱：
  • 电话：010-82649026 82649519
  • 国际标准刊号：ISSN：1674-1056
  • 国内统一刊号：ISSN：11-5639/O4
  • 邮发代号:
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  • 被引量:406