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Low-Dimensional Electronic Systems pp 256–261Cite as

Correlated States of Degenerate 2D Electrons Studied by Optical Spectroscopy

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Part of the book series: Springer Series in Solid-State Sciences ((SSSOL,volume 111))

Abstract

The interaction between 2D electrons and a photoexcited hole is of fundamental importance in determining the photoluminescence spectrum in the fractional quantum Hall regime. We present new measurements on a low-density electron system which reveal a distinct Fermi edge singularity at zero and low magnetic fields, indicating dynamical response of the Fermi sea to the presence of the hole. The photoluminescence intensity from this system is very sensitive to the effects of electron correlation, and hierarchies of FQH states are clearly identified. The photoluminescence energy, however, is quite insensitive to electron ground state in the FQH regime.

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Author information

Authors and Affiliations

  1. Department of Physics, Clarendon Laboratory, University of Oxford, Parks Road, Oxford, OX1 3PU, UK

    A. J. Turberfield, R. A. Ford, I. N. Harris & J. F. Ryan

  2. Physics Department, The University, Nottingham, NG7 2RD, UK

    C. T. Foxon

  3. Semiconductor Materials I.R.C., Imperial College, London, SW7 2BZ, UK

    J. J. Harris

Authors
  1. A. J. Turberfield
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  2. R. A. Ford
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  3. I. N. Harris
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  4. J. F. Ryan
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  5. C. T. Foxon
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  6. J. J. Harris
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Editor information

Editors and Affiliations

  1. Institut für Halbleiterphysik, Universität Linz, A-4040, Linz, Austria

    Günther Bauer

  2. Institut für Festkörperphysik, Universität Wien, A-1090, Wien, Austria

    Friedemar Kuchar

  3. Institut für Experimentalphysik, Universität Linz, A-4040, Linz, Austria

    Helmut Heinrich

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© 1992 Springer-Verlag Berlin Heidelberg

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Turberfield, A.J., Ford, R.A., Harris, I.N., Ryan, J.F., Foxon, C.T., Harris, J.J. (1992). Correlated States of Degenerate 2D Electrons Studied by Optical Spectroscopy. In: Bauer, G., Kuchar, F., Heinrich, H. (eds) Low-Dimensional Electronic Systems. Springer Series in Solid-State Sciences, vol 111. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-84857-5_25

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  • DOI: https://doi.org/10.1007/978-3-642-84857-5_25

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-84859-9

  • Online ISBN: 978-3-642-84857-5

  • eBook Packages: Springer Book Archive

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