Graphene-based topological insulator in the presence of a disclination submitted to a uniform magnetic field

被引：5
|
作者：
Oliveira, J. R. S. [1 ]
Garcia, G. Q. [2 ]
Porfirio, P. J. [1 ]
Furtado, C. [1 ]
机构：
[1] Univ Fed Paraiba, Dept Fis, Caixa Postal 5008, BR-58051970 Joao Pessoa, Paraiba, Brazil
[2] Univ Fed Campina Grande, Unidade Acad Fis, BR-58109970 Campina Grande, Paraiba, Brazil
来源：
ANNALS OF PHYSICS | 2021年 / 425卷
关键词：
D O I：
10.1016/j.aop.2020.168384
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
In this paper we investigate quasiparticles in graphene-based topological insulator with a wedge disclination in the presence of a uniform magnetic field. In particular, we consider a massive spinless model. The Landau levels are analytically found for the described system. We show that the Landau levels are lifted for a specific range of the parameter nu. In addition, we also show that, for appropriate parameter values, one finds gapless and gapped states. (C) 2020 Elsevier Inc. All rights reserved.
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页数：11
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