Incompressible paired hall state, stripe order, and the composite fermion liquid phase in half-filled landau levels

E. H. Rezayi, F. D.M. Haldane

Research output: Contribution to journalArticle

296 Scopus citations

Abstract

We consider the two lowest Landau levels at half filling. In the higher Landau level (ν = 5 / 2), we find a first-order phase transition separating a compressible striped phase from a paired quantum Hall state, which is identified as the Moore-Read state. The critical point is very near the Coulomb potential and the transition can be driven by increasing the width of the electron layer. We find a much weaker transition (either second-order or a crossover) from pairing to the composite fermion Fermi-liquid behavior. A very similar picture is obtained for the lowest Landau level, but the transition point is not near the Coulomb potential.

Original languageEnglish (US)
Pages (from-to)4685-4688
Number of pages4
JournalPhysical review letters
Volume84
Issue number20
DOIs
StatePublished - Jan 1 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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