Yu. E. Lozovik, A. G. Semenov, M. Willander, “Kosterlitz – Thouless phase transition in microcavity polariton system”, Pis'ma v Zh. Èksper. Teoret. Fiz., 2006, Volume 84, Issue 3,Pages <nobr>176

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Kosterlitz – Thouless phase transition in microcavity polariton system

Yu. E. Lozovik^a, A. G. Semenov^b, M. Willander^c

^a Institute of Spectroscopy, 142190 Troitsk, Moscow reg., Russia
^b P. N. Lebedev Physical Institute RAS, 117924 Moscow, Russia
^c Goteborg University, Chalmers Technological Institute

Abstract: Kosterlitz – Thouless phase transition in the system of exciton-polaritons in microcavity is studied. Transition temperature to superfluid state was found as function of exciton-photon detuning. Non quadratic dispersion law was taken into account in the framework of self-consistent harmonic approximation (SCHA).

PACS: 42.50.Ar, 71.35.Lk, 71.36.+c

Received: 26.06.2006

Language: English