Revivals of Zitterbewegung in the Bernevig–Hughes–Zhang model in the quantum spin Hall regime with a laser pulse

doi:10.1088/1674-1056/23/3/037306

Abstract We theoretically investigate the Zitterbewegung (ZB) behavior of electrons in the Bernevig–Hughes–Zhang model with a short laser pulse. To obtain a steady picture, we fix the electron on the Landau levels with a magnetic field. The ZB motion and the electromagnetic radiations in the quantum spin Hall regime are given. We find that over a shorter time, the electromagnetic radiations show a quasi-classical cyclotron oscillation, while over a longer time, they exhibit a clear revival picture. The resulting revival time and excited electric field are large enough to make experimental detection accessible.

Keywords: quantum well Zitterbewegung electromagnetic radiation

Received: 19 March 2013
Revised: 20 August 2013
Accepted manuscript online:

PACS:	73.63.Hs	(Quantum wells)
	73.50.Fq	(High-field and nonlinear effects)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11247204 and 61178032) and the Fundamental Research Funds for the Central Universities, China (Grant No. JUSRP 11211).

Corresponding Authors: Wang Yi-Xiang
E-mail: wangyixiang0406@gmail.com

Cite this article:

Wang Yi-Xiang (王义翔), Wu Ya-Min (吴亚敏) Revivals of Zitterbewegung in the Bernevig–Hughes–Zhang model in the quantum spin Hall regime with a laser pulse 2014 Chin. Phys. B 23 037306

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Revivals of Zitterbewegung in the Bernevig–Hughes–Zhang model in the quantum spin Hall regime with a laser pulse

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