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Magneto-Optics and Transport Measurements as a Probe of the Fractional QHE and the Electron Solid Regimes: Review and New Results

  • R. G. Clark
Conference paper
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 111)

Abstract

Recent interband magneto-photoluminescence (PL) detection of the fractional quantum Hall effect (FQHE) and Wigner solid formation in high mobility GaAs structures is reviewed. A comparison, which highlights the similarities and differences, is drawn between experimental results obtained from the study of transitions at FQHE states involving two-dimensional electron recombination with either bound holes in acceptor delta-doped structures or with valence band holes in quantum wells and single heterojunctions. Data is assembled from both types of experiment, carried out very recently in the Wigner solid regime, to compose an optically determined phase diagram. This diagram is compared with the boundary for the onset of (pinned) Wigner crystallisation derived from threshold magneto-transport measurements and radiofrequency studies.

Keywords

Filling Factor Luminescence Line High Field Region Fractional Quantum Hall Effect Single Quantum Well 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1992

Authors and Affiliations

  • R. G. Clark
    • 1
  1. 1.School of PhysicsUniversity of New South WalesKensingtonAustralia

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