Analysis of a SU(4) generalization of Halperin's wave function as an approach towards a SU(4) fractional quantum Hall effect in graphene sheets

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dc.creatorGoerbig, M. O.
dc.creatorRegnault, N.
dc.date2007-01-26
dc.date2007-06-13
dc.date.accessioned2026-07-07T08:05:44Z
dc.date.available2026-07-07T08:05:44Z
dc.descriptionInspired by the four-fold spin-valley symmetry of relativistic electrons in graphene, we investigate a possible SU(4) fractional quantum Hall effect, which may also arise in bilayer semiconductor quantum Hall systems with small Zeeman gap. SU(4) generalizations of Halperin's wave functions [Helv. Phys. Acta 56, 75 (1983)], which may break differently the original SU(4) symmetry, are studied analytically and compared, at nu=2/3, to exact-diagonalization studies.
dc.description4+epsilon pages, 4 figures; published version with minor corrections
dc.identifierhttps://arxiv.org/abs/cond-mat/0701661
dc.identifierhttp://arxiv.org/abs/cond-mat/0701661
dc.identifierPhys. Rev. B 75, 241405 (2007)
dc.identifierdoi:10.1103/PhysRevB.75.241405
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/130373
dc.subjectMesoscale and Nanoscale Physics
dc.subjectStrongly Correlated Electrons
dc.titleAnalysis of a SU(4) generalization of Halperin's wave function as an approach towards a SU(4) fractional quantum Hall effect in graphene sheets
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