Effective Scattering Time in Zener Transition Between Bloch Bands
YAN Wei-xian1, ZHAO Xian-geng1,2
1Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080
2Institute of Applied Physics and Computational Mathematics, Beijing 100088
Effective Scattering Time in Zener Transition Between Bloch Bands
YAN Wei-xian1;ZHAO Xian-geng1,2
1Institute of Theoretical Physics, Chinese Academy of Sciences, Beijing 100080
2Institute of Applied Physics and Computational Mathematics, Beijing 100088
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.
YAN Wei-xian;ZHAO Xian-geng;. Effective Scattering Time in Zener Transition Between Bloch Bands[J]. 中国物理快报, 1998, 15(3): 213-215.
YAN Wei-xian, ZHAO Xian-geng,. Effective Scattering Time in Zener Transition Between Bloch Bands. Chin. Phys. Lett., 1998, 15(3): 213-215.
1998, Vol. 15 
