Effective Scattering Time in Zener Transition Between Bloch Bands

Chin. Phys. Lett.

1998, Vol. 15

Issue (3): 213-215 DOI:

Original Articles

Effective Scattering Time in Zener Transition Between Bloch Bands

YAN Wei-xian¹;ZHAO Xian-geng^1,2

¹Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080 ²Institute of Applied Physics and Computational Mathematics, Beijing 100088

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YAN Wei-xian, ZHAO Xian-geng 1998 Chin. Phys. Lett. 15 213-215

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Abstract Based on a two-band tight-binding model, the dynamics of electrons under the action of static electric fields with Markoffian dephasing is investigated. The effective scattering time is obtained under the conditions of long-time limit and small interband communication through a perturbative calculation, from which the signature of Zener resonances and relatively long time evolution behavior are predicted.

Keywords: 71.70.Ej 73.40.Gk 73.20.Dx

Published: 01 March 1998

PACS:	71.70.Ej	(Spin-orbit coupling, Zeeman and Stark splitting, Jahn-Teller effect)
	73.40.Gk	(Tunneling)
	73.20.Dx

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1998/V15/I3/0213

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