2000 character limit reached
Graviton Chirality and Topological Order in the Half-filled Landau Level
Published 19 Mar 2021 in cond-mat.mes-hall and cond-mat.str-el | (2103.11019v1)
Abstract: The fractional quantum Hall state at Landau level (LL) 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.
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