Unconventional Integer Quantum Hall effect in graphene

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dc.creatorGusynin, V. P.
dc.creatorSharapov, S. G.
dc.date2005-06-22
dc.date2005-08-16
dc.date.accessioned2026-07-07T06:21:20Z
dc.date.available2026-07-07T06:21:20Z
dc.descriptionMonolayer graphite films, or graphene, have quasiparticle excitations that can be described by 2+1 dimensional Dirac theory. We demonstrate that this produces an unconventional form of the quantized Hall conductivity $σ_{xy} = - (2 e^2/h)(2n+1)$ with $n=0,1,...$, that notably distinguishes graphene from other materials where the integer quantum Hall effect was observed. This unconventional quantization is caused by the quantum anomaly of the $n=0$ Landau level and was discovered in recent experiments on ultrathin graphite films.
dc.description4 pages, RevTeX4, 2 EPS figures; version accepted for publication in Physical Review Letters
dc.identifierhttps://arxiv.org/abs/cond-mat/0506575
dc.identifierhttp://arxiv.org/abs/cond-mat/0506575
dc.identifierPhys.Rev.Lett. 95 (2005) 146801
dc.identifierdoi:10.1103/PhysRevLett.95.146801
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/95564
dc.subjectMesoscale and Nanoscale Physics
dc.subjectHigh Energy Physics - Phenomenology
dc.titleUnconventional Integer Quantum Hall effect in graphene
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