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The influence of dynamical correlations in semiconductor plasmas on optical spectra

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Zeitschrift für Physik B Condensed Matter

Abstract

On the basis of a nonequilibrium Green's function technique we determine a Bethe-Salpeter equation describing the linear response of a semiconductor under plasma excitation. Dynamical correlations entering the effective screenede-h interaction are treated on the basis of the full RPA polarization function. Numerical results for optical gain and absorption spectra are presented for various temperatures and densities. The validity of the commonly used plasmon pole approximation with regard to the lineshape of optical spectra is critically investigated.

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Authors and Affiliations

  1. Institut für Physik, Universität Dortmund, Postfach 500 500, D-4600, Dortmund 50, Germany

    W. Schäfer, R. Binder & K. H. Schuldt

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  1. W. Schäfer
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  2. R. Binder
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  3. K. H. Schuldt
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Schäfer, W., Binder, R. & Schuldt, K.H. The influence of dynamical correlations in semiconductor plasmas on optical spectra. Z. Physik B - Condensed Matter 70, 145–157 (1988). https://doi.org/10.1007/BF01318292

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  • DOI: https://doi.org/10.1007/BF01318292

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