Graviton chirality and topological order in the half-filled Landau level

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

Research output: Contribution to journalArticlepeer-review

Abstract

The fractional quantum Hall state at the Landau level filling factor 5/2 is extremely interesting because it is likely the first non-Abelian state, but its precise nature remains unclear after decades of study. We demonstrate this can be resolved by studying the chirality of its graviton excitations, using circularly polarized Raman scattering. We discuss the advantage of this bulk probe over the existing edge probes.

Original languageEnglish (US)
Article numberL121106
JournalPhysical Review B
Volume104
Issue number12
DOIs
StatePublished - Sep 15 2021

All Science Journal Classification (ASJC) codes

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics

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