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2011 | 119 | 5 | 600-601
Article title

Exciton Exchange between Nearly-Free and Acceptor-Bound States of a Positive Trion Assisted by Cyclotron Excitation

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EN
Abstracts
EN
In magneto-photoluminescence spectra of a two-dimensional hole gas in a GaAs quantum well we observe coupling of two different radiative states. The pair of coupled states are an acceptor-bound trion AX^{+} and an essentially free (only weakly localized by a shallow lateral potential) trion X^{+}, brought into resonance by an additional cyclotron excitation controlled by the magnetic field. The coupling mechanism is the exciton transfer, and the optical signature is a clear anticrossing of the emission lines of an X^{+} and a cyclotron replica of the AX^{+}.
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Contributors
author
  • Institute of Physics, Wrocław University of Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
author
  • Institute of Physics, Wrocław University of Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
author
  • Institute of Physics, Wrocław University of Technology, Wyb. Wyspiańskiego 27, 50-370 Wrocław, Poland
author
  • Experimentelle Physik 2, Technische Universität Dortmund, D-44227 Dortmund, Germany
author
  • Experimentelle Physik 2, Technische Universität Dortmund, D-44227 Dortmund, Germany
author
  • Experimentelle Physik 2, Technische Universität Dortmund, D-44227 Dortmund, Germany
author
  • Grenoble High Magnetic Field Laboratory, CNRS, 38-042 Grenoble, France
author
  • Grenoble High Magnetic Field Laboratory, CNRS, 38-042 Grenoble, France
author
  • Lehrstuhl fur Festkörperphysik, Ruhr Universität, Universitätstr., Bochum, Germany
author
  • Lehrstuhl fur Festkörperphysik, Ruhr Universität, Universitätstr., Bochum, Germany
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv119n507kz
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