Fractional quantum Hall effect in higher Landau levels

Lotfi Belkhir, J. K. Jain

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

We investigate, using finite size numerical calculations, the spin-polarized fractional quantum Hall effect (FQHE) in the first excited Landau level (LL). We find evidence for the existence of an incompressible state at v = 7 3 = 2 + 1 3, but not at v = 2 + 2 5. Surprisingly, the 7 3 state is found to be strongest at a finite thickness. The structure of the low-lying excited states is found to be markedly different from that in the lowest LL. This study also rules out FQHE at a large number of odd-denominator fractions in the lowest LL.

Original languageEnglish (US)
Pages (from-to)107-112
Number of pages6
JournalSolid State Communications
Volume94
Issue number2
DOIs
StatePublished - Apr 1995

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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