Abstract
Condensate states of a two-dimensional exciton–polariton system have been considered under the conditions of direct resonant photoexcitation. It has been theoretically predicted that splitting of eigenmodes with orthogonal polarizations leads to the emergence of a new channel of parametric scattering. A polariton condensate spontaneously decays into a set of states in a finite region of the momentum space, thus leading to a strong inhomogeneity in the distributions of the intensity and polarization even in the case of a strictly constant amplitude and zero in-plane momentum of the external field. The new scattering mechanism makes possible self-oscillating and chaotic states of polariton systems.
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Original Russian Text © S.S. Gavrilov, 2017, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2017, Vol. 105, No. 3, pp. 187–192.
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Gavrilov, S.S. On a new mechanism of polariton–polariton scattering. Jetp Lett. 105, 200–204 (2017). https://doi.org/10.1134/S0021364017030079
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DOI: https://doi.org/10.1134/S0021364017030079