Excitonic gap, phase transition, and quantum Hall effect in graphene

被引：161

作者：

Gusynin, V. P. ^{[1
]}

Miransky, V. A.

Sharapov, S. G.

Shovkovy, I. A.

机构：

[1] Bogolyubov Inst Theoret Phys, UA-03143 Kiev, Ukraine

[2] Univ Western Ontario, Dept Appl Math, London, ON N6A 5B7, Canada

[3] McMaster Univ, Dept Phys & Astron, Hamilton, ON L8S 4M1, Canada

[4] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, D-60438 Frankfurt, Germany

[5] Western Illinois Univ, Dept Phys, Macomb, IL 61455 USA

来源：

PHYSICAL REVIEW B | 2006年 / 74卷 / 19期

关键词：

D O I：

10.1103/PhysRevB.74.195429

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We suggest that physics underlying the recently observed removal of sublattice and spin degeneracies in graphene in a strong magnetic field describes a phase transition connected with the generation of an excitonic gap. The experimental form of the Hall conductivity is reproduced and the main characteristics of the dynamics are described. Predictions of the behavior of the gap as a function of temperature and a gate voltage are made.

引用

页数：10

共 36 条

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