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Abstracts
Recombination of excitons and positive trions is studied by two-beam photoluminescence of a two-dimensional hole gas in a high magnetic field. The singlet, dark-triplet and bright-triplet states of a free trion are resolved, and their binding energies are determined. Recombination of acceptor-bound trions is also detected, including a low-energy cyclotron replica, corresponding to a hole shake-up process. Identification of all these different transitions was possible by analysis of optical selection rules and the comparison of experimental spectra with realistic numerical calculations.
Discipline
Journal
Year
Volume
Issue
Pages
429-435
Physical description
Dates
published
2006-09
received
2006-06-17
Contributors
author
- Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
author
- Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
author
- Institute of Physics, Wrocław University of Technology, Wybrzeże Wyspiańskiego 27, 50-370 Wrocław, Poland
author
- Grenoble High Magnetic Field Laboratory, CNRS, 38042 Grenoble Cedex 9, France
author
- Lehrstuhl fur Festkörperphysik, Ruhr Universität, Universitätstr. 150, 44780 Bochum, Germany
author
- Lehrstuhl fur Festkörperphysik, Ruhr Universität, Universitätstr. 150, 44780 Bochum, Germany
References
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Document Type
Publication order reference
Identifiers
YADDA identifier
bwmeta1.element.bwnjournal-article-appv110n321kz