The symmetry of excitons in quantum wires

The spatial and time-reversal symmetries of excitons in quantum wires are discussed, including possible use in numerical computation. Particular attention is paid to the important case of a single symmetry plane (group C-s). Even in such a low symmetry case group theory proves very useful. For instance we can explain the appearance of new transitions recently observed and find interesting excitonic optical selection rules describing in a new way the polarization anisotropy coming from valence band-mixing.


Published in:
Physica Status Solidi a-Applied Research, 178, 1, 221-225
Year:
2000
ISSN:
0031-8965
Note:
Ecole Polytech Fed Lausanne, Inst Micro & Optoelect, Dept Phys, CH-1015 Lausanne, Switzerland. Dupertuis, MA, Ecole Polytech Fed Lausanne, Inst Micro & Optoelect, Dept Phys, CH-1015 Lausanne, Switzerland.
ISI Document Delivery No.: 303TG
Times Cited: 5
Cited Reference Count: 9
Cited References:
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WIGNER EP, 1959, GROUP THEORY ITS APP
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 Record created 2007-08-31, last modified 2018-03-17


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