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oaioai:HAL:hal-00157026v1

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

Authors
Publication date
1 January 2007
Publisher
'American Physical Society (APS)'

Abstract

4+epsilon pages, 4 figures; published version with minor correctionsInternational audienceInspired 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

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HAL Descartes

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oaioai:HAL:hal-00157026v1
Last time updated on 14/04/2021

This paper was published in HAL Descartes.

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