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The anisotropic conductivity of two-dimensional electrons on a half-filled high Landau evel

  • I. S. Burmistrov
Condensed Matter

Abstract

We study the conductivity of two-dimensional interacting electrons on the half-filled Nth Landau level with N≫1 in the presence of quenched disorder. The existence of the unidirectional charge-density wave state at temperature T<T c , where T c is the transition temperature, leads to the anisotropic conductivity tensor. We find that the leading anisotropic corrections are proportional to (T c T)/T c just below the transition, in accordance with the experimental findings. Above T c , the correlations corresponding to the unidirectional charge-density wave state below T c result in corrections to the conductivity proportional to \(\sqrt {{{T_c } \mathord{\left/ {\vphantom {{T_c } {T - T_c }}} \right. \kern-\nulldelimiterspace} {T - T_c }}} \).

PACS numbers

73.20.Mf 71.45.Lr 

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Copyright information

© MAIK "Nauka/Interperiodica" 2004

Authors and Affiliations

  • I. S. Burmistrov
    • 1
    • 2
  1. 1.Landau Institute for Theoretical PhysicsRussian Academy of SciencesMoscowRussia
  2. 2.Institute for Theoretical PhysicsUniversity of AmsterdamAmsterdamThe Netherlands

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