Abstract
A system of dipolar excitons at temperatures exceeding the expected Bose–Einstein condensation temperature is considered. It is shown that a first-order phase transition with the formation of a phase close to the crystal of such excitons is possible at such temperatures. The phase diagram in the range of low concentrations and temperatures is constructed. The effect of this transition on the luminescence spectrum of the system is analyzed.
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Contribution for the JETP special issue in honor of L.V. Keldysh’s 85th birthday
Original Russian Text © R.A. Suris, 2016, published in Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2016, Vol. 149, No. 3, pp. 695–701.
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Suris, R.A. Gas–crystal phase transition in a 2D dipolar exciton system. J. Exp. Theor. Phys. 122, 602–607 (2016). https://doi.org/10.1134/S1063776116030110
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DOI: https://doi.org/10.1134/S1063776116030110