Journal
SOLID STATE COMMUNICATIONS
Volume 161, Issue -, Pages 34-37Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ssc.2013.02.023
Keywords
Topological insulator; Quantum transport; Periodic electric modulations; Backscattering process
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Funding
- NSFC [11004017]
- Scientific Research Fund of Hunan Provincial Education Department [12B010]
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We theoretically investigate the electron transport through a quantum spin Hall bar in the presence of periodic potential modulations. We find that the edge states show different behaviors for the periodic electric potential modulation in the proposed structures. The backscattering process can be controlled by tuning the electric potential modulation. Crown Copyright (C) 2013 Published by Elsevier Ltd. All rights reserved.
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