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Integer Quantum Hall Effect in Graphene

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arxiv 1504.06445 v1 pith:3B42HASP submitted 2015-04-24 cond-mat.mes-hall hep-thmath-phmath.MPquant-ph

Integer Quantum Hall Effect in Graphene

classification cond-mat.mes-hall hep-thmath-phmath.MPquant-ph
keywords effecthallfieldgraphenequantumthermodynamicalaccountalong
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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We study the quantum Hall effect in a monolayer graphene by using an approach based on thermodynamical properties. This can be done by considering a system of Dirac particles in an electromagnetic field and taking into account of the edges effect as a pseudo-potential varying continuously along the $x$ direction. At low temperature and in the weak electric field limit, we explicitly determine the thermodynamical potential. With this, we derive the particle numbers in terms of the quantized flux and therefore the Hall conductivity immediately follows.

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