Dynamical localization of a two-band system in real-space

Xian Ke Peng; Jian Li Shao; Suqing Duan; Xian Geng Zhao

doi:10.1016/j.physleta.2005.07.087

Dynamical localization of a two-band system in real-space

Xian Ke Peng^*, Jian Li Shao, Suqing Duan, Xian Geng Zhao

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摘要

With the method of the long-time averaged occupation probability (LAOP), we investigate the conditions of localization of an electron in the coupling two-band system under the action of ac and dc-ac fields. The values of LAOP can be calculated by Floquet theorem. We find with varying the electric field, the values of LAOP show some peaks, at which the electron can return repeatedly to the initial site or stay in the initial site forever.

源语言	英语
页（从-至）	255-261
页数	7
期刊	Physics Letters, Section A: General, Atomic and Solid State Physics
卷	347
期	4-6
DOI	https://doi.org/10.1016/j.physleta.2005.07.087
出版状态	已出版 - 5 12月 2005
已对外发布	是

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Peng, X. K., Shao, J. L., Duan, S., & Zhao, X. G. (2005). Dynamical localization of a two-band system in real-space. Physics Letters, Section A: General, Atomic and Solid State Physics, 347(4-6), 255-261. https://doi.org/10.1016/j.physleta.2005.07.087

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N2 - With the method of the long-time averaged occupation probability (LAOP), we investigate the conditions of localization of an electron in the coupling two-band system under the action of ac and dc-ac fields. The values of LAOP can be calculated by Floquet theorem. We find with varying the electric field, the values of LAOP show some peaks, at which the electron can return repeatedly to the initial site or stay in the initial site forever.

AB - With the method of the long-time averaged occupation probability (LAOP), we investigate the conditions of localization of an electron in the coupling two-band system under the action of ac and dc-ac fields. The values of LAOP can be calculated by Floquet theorem. We find with varying the electric field, the values of LAOP show some peaks, at which the electron can return repeatedly to the initial site or stay in the initial site forever.

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Dynamical localization of a two-band system in real-space

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