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Title: Fractionalization and dynamics of anyons and their experimental signatures in the ν = n+1/3 fractional quantum hall state
Authors: Trung, Ha Quang
Yang, Bo
Keywords: Science::Physics
Issue Date: 2021
Source: Trung, H. Q. & Yang, B. (2021). Fractionalization and dynamics of anyons and their experimental signatures in the ν = n+1/3 fractional quantum hall state. Physical Review Letters, 127(4), 046402-.
Project: NRF-NRFF12-2020-0005
Journal: Physical Review Letters
Abstract: We show the low-lying excitations at filling factor ν=n+1/3 with realistic interactions can be understood as quantum fluids with "Gaffnian quasiholes" as the proper elementary degrees of freedom. Each Laughlin quasihole can thus be understood as a bound state of two Gaffnian quasiholes, which in the lowest Landau level (LLL) behaves like "partons" with "asymptotic freedom" mediated by neutral excitations acting as "gluons." Near the experimentally observed nematic FQH phase in higher LLs, quasiholes become weakly bound and can fractionalize with rich dynamical properties. By studying the effective interactions between quasiholes, we predict a finite temperature phase transition of the Laughlin quasiholes even when the Laughlin ground state remains incompressible, and derive relevant experimental conditions for its possible observations.
ISSN: 0031-9007
DOI: 10.1103/PhysRevLett.127.046402
Rights: © 2021 American Physical Society. All rights reserved. This paper was published in Physical Review Letters and is made available with permission of American Physical Society.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SPMS Journal Articles

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