Magneto-Optics of the Incompressible Fermi Liquid and the Wigner Solid

  • N. J. Pulsford
  • I. V. Kukushkin
Conference paper
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 111)


We study the radiative recombination of two-dimensional electrons in GaAsGaAlAs heterojunctions with holes localised on acceptors in strong magnetic fields. From the spectral position of the luminescence line, we derive values for the quasiparticle energy gaps of the Fractional Quantum Hall Effect. In the Wigner crystal regime, an additional luminescence line appears which shows an electric field threshold enhancement, characteristic of a pinned electron solid.


Landau Level Luminescence Line Lower Landau Level Fractional Quantum Hall Effect Wigner Crystal 
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Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • N. J. Pulsford
    • 1
  • I. V. Kukushkin
    • 2
  1. 1.Max-Planck-Institut für FestkörperforschungStuttgart 80Fed. Rep. of Germany
  2. 2.Institute for Solid State PhysicsAcademy of SciencesChernogolovkaRussia

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