Dissipative Quantum Hall Effect in Graphene near the Dirac Point

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dc.creatorAbanin, Dmitry A.
dc.creatorNovoselov, Kostya S.
dc.creatorZeitler, Uli
dc.creatorLee, Patrick A.
dc.creatorGeim, Andre K.
dc.creatorLevitov, Leonid S.
dc.date2007-02-06
dc.date.accessioned2026-07-07T08:00:46Z
dc.date.available2026-07-07T08:00:46Z
dc.descriptionWe report on the unusual nature of nu=0 state in the integer quantum Hall effect (QHE) in graphene and show that electron transport in this regime is dominated by counter-propagating edge states. Such states, intrinsic to massless Dirac quasiparticles, manifest themselves in a large longitudinal resistivity rho_xx > h/e^2, in striking contrast to rho_xx behavior in the standard QHE. The nu=0 state in graphene is also predicted to exhibit pronounced fluctuations in rho_xy and rho_xx and a smeared zero Hall plateau in sigma_xy, in agreement with experiment. The existence of gapless edge states puts stringent constraints on possible theoretical models of the nu=0 state.
dc.description4 pgs, 4 fgs
dc.identifierhttps://arxiv.org/abs/cond-mat/0702125
dc.identifierhttp://arxiv.org/abs/cond-mat/0702125
dc.identifierPhys. Rev. Lett. 98, 196806 (2007)
dc.identifierdoi:10.1103/PhysRevLett.98.196806
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/128751
dc.subjectMesoscale and Nanoscale Physics
dc.titleDissipative Quantum Hall Effect in Graphene near the Dirac Point
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