Abstract
Dynamics of stimulated scattering of quasi-two-dimensional exciton polaritons in a semiconductor microcavity is considered theoretically. A system possessing a bistable response to coherent excitation is studied. Being a system of weakly interacting Bose particles under strongly nonequilibrium conditions, it exhibits a complex dynamics of the development of condensate modes. It is shown that multimode instability can arise in a threshold way in the system under a smooth increase in pump intensity. In this case, rapid populating of a multitude of unstable modes leads to stochastization of scattering, and evolution to a quasi-steady macrostate is performed as self-organization in an open nonequilibrium system. Arising fluctuations lead to the occurrence of a spatial nonuniformity of the distribution of scattered states.
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Original Russian Text © S.S. Gavrilov, N.A. Gippius, V.D. Kulakovskii, S.G. Tikhodeev, 2007, published in Zhurnal Éksperimental’noĭ i Teoreticheskoĭ Fiziki, 2007, Vol. 131, No. 5, pp. 819–828.
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Gavrilov, S.S., Gippius, N.A., Kulakovskii, V.D. et al. Hard mode of stimulated scattering in the system of quasi-two-dimensional exciton polaritons. J. Exp. Theor. Phys. 104, 715–723 (2007). https://doi.org/10.1134/S1063776107050056
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DOI: https://doi.org/10.1134/S1063776107050056