Topological insulating phases in mono and bilayer graphene

Cortijo, Alberto; Grushin, Adolfo G.; Vozmediano, Maria A.H.

doi:10.1103/PhysRevB.82.195438

Topological insulating phases in mono and bilayer graphene

Jul, 2010

11 pages

Published in:

Phys.Rev.B 82 (2010) 195438

e-Print:

1007.3704 [cond-mat.mes-hall]

DOI:

10.1103/PhysRevB.82.195438

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Abstract: (arXiv)

We analyze the influence of different quadratic interactions giving rise to time reversal invariant topological insulating phases in mono and bilayer graphene. We make use of the effective action formalism to determine the dependence of the Chern Simons coefficient on the different interactions.

time reversal: invariance
phase: topological
graphene
Chern-Simons term
effective action
insulator
potential: chemical
spin: orbit

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