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Particle-hole symmetry and electromagnetic response of a half-filled Landau level

Journal Article · · Physical Review B
 [1];  [2]
  1. Univ. of Chicago, IL (United States); University of Chicago
  2. Univ. of Chicago, IL (United States)
We derive exact physical consequences of particle-hole symmetry of the ν = 1/2 state of electrons in a strong magnetic field. We show that if the symmetry is not spontaneously broken, the Hall conductivity and the susceptibility satisfy an exact relationship, valid at any wave numbers and any frequencies much below the cyclotron frequency. The relationship holds for clean systems and also for systems with statistically particle-hole symmetric disorder. We work out the constraints this relationship imposes on the theory of the Dirac composite fermion. Here, we also argue that that the exact relationship is violated in the Halperin-Lee-Read (HLR) field theory and present an explicit calculation within a Galilean invariant mean-field approximation to the HLR theory to illustrate the breakdown.
Research Organization:
Univ. of Chicago, IL (United States)
Sponsoring Organization:
National Science Foundation (NSF); Simons Foundation; USDOE Office of Science (SC), High Energy Physics (HEP) (SC-25); USDOE Office of Science (SC), Nuclear Physics (NP) (SC-26)
Grant/Contract Number:
SC0009924
OSTI ID:
1595711
Alternate ID(s):
OSTI ID: 1535884
OSTI ID: 1347050
Journal Information:
Physical Review B, Journal Name: Physical Review B Journal Issue: 12 Vol. 95; ISSN 2469-9950; ISSN PRBMDO
Publisher:
American Physical Society (APS)Copyright Statement
Country of Publication:
United States
Language:
English

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Cited By (12)

Weiss oscillations and particle-hole symmetry at the half-filled Landau level journal June 2017
Capacity of entanglement and the distribution of density matrix eigenvalues in gapless systems journal November 2017
Thermopower and Nernst measurements in a half-filled lowest Landau level journal June 2018
Berry phase of the composite-fermion Fermi sea: Effect of Landau-level mixing journal August 2018
Quantum Hall hierarchy from coupled wires journal January 2019
Dirac Fermion Hierarchy of Composite Fermi Liquids journal June 2019
Particle-Hole Symmetry in the Fermion-Chern-Simons and Dirac Descriptions of a Half-Filled Landau Level journal August 2017
Bimetric Theory of Fractional Quantum Hall States journal November 2017
Weiss oscillations and particle-hole symmetry at the half-filled Landau level text January 2016
Bimetric Theory of Fractional Quantum Hall States text January 2017
Berry phase of the composite-fermion Fermi Sea: Effect of Landau-level mixing text January 2018
Dirac Fermion Hierarchy of Composite Fermi Liquids text January 2018

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