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Digitale Medien

Two-dimensional wannier excitons. Effects of a random adiabatic potential (1995)

Efros, Al. L. ; Wetzel, C. ; Worlock, J. M.

Springer

Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 1447-1452

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Details

ISSN: 0392-6737

Schlagwort(e): Excitons and related phenomena (including electron-hole drops) ; Optical properties of thin films, surfaces, and layer structures (superlattices, heterojunctions, and multilayers) ; Conference proceedings

Quelle: Springer Online Journal Archives 1860-2000

Thema: Physik

Notizen: Summary We investigate the absorption spectrum and the distribution of radiative decay times for two-dimensional excitons in semiconductor quantum wells, as affected by an adiabatic white-noise random potential. Such a potential could result from atomic-scale fluctuations in the composition of an alloy semiconductor, or in quantum well thickness. We find in general that the shortest radiative decay time is directly proportional to the inhomogeneous width of the exciton line in absorption, itself proportional to the correlation parameter for the random potential.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF02457225

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