Topological insulating phases in monolayer and bilayer graphene: An effective action approach

被引：30
|
作者：
Cortijo, Alberto [1 ]
Grushin, Adolfo G. [2 ]
Vozmediano, Maria A. H. [2 ]
机构：
[1] Univ Lancaster, Dept Phys, Lancaster LA1 4YB, England
[2] CSIC, Inst Ciencia Mat Madrid, E-28049 Madrid, Spain
来源：
PHYSICAL REVIEW B | 2010年 / 82卷 / 19期
关键词：
D O I：
10.1103/PhysRevB.82.195438
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
We analyze the influence of different bilinear terms giving rise to time-reversal invariant topological insulating phases in monolayer and bilayer graphene. We make use of the effective action formalism to determine the dependence of the Chern Simons coefficient on the different interactions and generalize the formalism to include various degrees of freedom arising in bilayer graphene which give rise to different topological phases.
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收藏
页数：9
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