Transmission in bilayer graphene through time-periodic potential

被引：5
|
作者：
Chen, HaiYang [1 ]
机构：
[1] Beijing Inst Technol, Sch Phys, Beijing 100081, Peoples R China
来源：
PHYSICA B-CONDENSED MATTER | 2015年 / 456卷
关键词：
Bilayer graphene; Time-periodic potential; Transmission probabilities; ELECTRONIC-PROPERTIES; BERRYS PHASE; QUANTUM;
D O I：
10.1016/j.physb.2014.09.002
中图分类号：
O469 [凝聚态物理学];
学科分类号：
070205 ;
摘要：
The transport property of Dirac electrons through bilayer graphene under a time periodic field is investigated. The effect of external field strength and the system parameters on the transmission probabilities is investigated. The results show that the applied time-periodic potential provides sidebands for Dirac electrons to tunnel through the bilayer graphene, and transport property of system exhibits various kinds of behaviors with the change of external field strength and structure parameters. We also find that, for normal and close to normal incidence, the perfect reflection that was observed for the static barrier is found to persist for the oscillating barrier. (C) 2014 Elsevier B.V. All rights reserved.
引用
收藏
页码：167 / 170
页数：4
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