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Theory of Quantum Hall Nematics

Leo Radzihovsky and Alan T. Dorsey
Phys. Rev. Lett. 88, 216802 – Published 9 May 2002
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Abstract

Transport measurements on two-dimensional electron systems in moderate magnetic fields suggest the existence of a spontaneously orientationally ordered, compressible liquid state. We develop and analyze a microscopic theory of such a “quantum Hall nematic” (QHN) phase, predict the existence of a novel, highly anisotropic q3 density-director mode, find that the T=0 long-range orientational order is unstable to weak disorder, and compute the tunneling into such a strongly correlated state. This microscopic approach is supported and complemented by a hydrodynamic model of the QHN, which, in the dissipationless limit, reproduces the modes of the microscopic model.

  • Received 4 October 2001

DOI:https://doi.org/10.1103/PhysRevLett.88.216802

©2002 American Physical Society

Authors & Affiliations

Leo Radzihovsky1 and Alan T. Dorsey2

  • 1Department of Physics, University of Colorado, Boulder, Colorado 80309
  • 2Department of Physics, University of Florida, Gainesville, Florida 32611-8440

See Also

Electrons Come to Order

JR Minkel
Phys. Rev. Focus 9, 25 (2002)

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Vol. 88, Iss. 21 — 27 May 2002

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