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Floquet Engineering of Structures Based on Gapless Semiconductors
Semiconductors ( IF 0.7 ) Pub Date : 2020-12-04 , DOI: 10.1134/s1063782620120143
O. V. Kibis , M. V. Boev , V. M. Kovalev , R. E. Sinitskyi , I. A. Shelykh

Abstract

Applying the conventional Floquet theory of periodically driven quantum systems, we developed the theory of optical control of structures based on gapless semiconductors. It is demonstrated that electronic properties of the structures crucially depends on irradiation. Particularly, irradiation by a circularly polarized electromagnetic wave lifts spin degeneracy of electronic bands and induces surface electronic states. Thus, a high-frequency off-resonant electromagnetic field can serve as an effective tool to control electronic characteristics of the structures and be potentially exploited in optoelectronic applications of them.



中文翻译:

基于无间隙半导体的结构的浮球工程

摘要

应用周期驱动量子系统的常规Floquet理论,我们开发了基于无间隙半导体的结构的光学控制理论。结果表明,结构的电子性能关键取决于辐射。特别地,圆极化电磁波的辐射提高了电子带的自旋简并性并诱导了表面电子态。因此,高频非共振电磁场可以用作控制结构的电子特性的有效工具,并有可能在结构的光电应用中得到利用。

更新日期:2020-12-04
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