Bose-Einstein condensation and superfluidity of a weakly-interacting photon gas in a nonlinear Fabry-Perot cavity
arXiv:hep-th/9907073 · doi:10.1016/S0375-9601(99)00716-1
Abstract
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.
9 pages, LateX2e, final version to appear in Phys. Lett. A
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