Bose condensation in a model microcavity
arXiv:cond-mat/9911264 · doi:10.1016/S0038-1098(00)00350-1
Abstract
We study the equilibrium properties of a system of dipole-active excitons coupled to a single photon mode at fixed total excitation. Treating the presence or absence of a trapped exciton as a two-level system produces a model that is exactly soluble. It gives a simple description of the physics of polariton condensation in optical cavities beyond the low-density bosonic regime.
5 pages, 3 figures, uses RevTeX and psfig. Revised version: (1)Corrects an error in our treatment of the constraint, leading to a rescaled transition temperature, and (2)Extends our discussion of the relevance of the model to real systems
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