Abstract
We investigate in the framework of the dielectric formalism the anomalies which have been observed in high intensity excitonic polariton-polariton scattering experiments. The anomalies are due to the virtual formation of biexcitons. Our results are in quantitative agreement with the experimental observations of Itoh et al. for CuCl.
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Project of the Sonderforschungsbereich Frankfurt/Darmstadt, financed by special funds of the Deutsche Forschungsgemeinschaft
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März, R., Schmitt-Rink, S. & Haug, H. Optical properties of dense exciton-biexciton systems. Z. Physik B - Condensed Matter 40, 9–14 (1980). https://doi.org/10.1007/BF01295063
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DOI: https://doi.org/10.1007/BF01295063