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arxiv: hep-th/9907073 · v2 · submitted 1999-07-10 · ✦ hep-th · cond-mat

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Bose-Einstein condensation and superfluidity of a weakly-interacting photon gas in a nonlinear Fabry-Perot cavity

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classification ✦ hep-th cond-mat
keywords photoncavitycondensationfabry-perotfieldnonlinearbose-einsteincomplex
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A field theoretical framework for the recently proposed photon condensation effect in a nonlinear Fabry-Perot cavity is discussed. The dynamics of the photon gas turns out to be described by an effective 2D Hamiltonian of a complex massive scalar field. Finite size effects are shown to be relevant for the existence of the photon condensate.

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