Superlattices and Microstructures volume 43, issue 5-6, P524-527 2008 DOI: 10.1016/j.spmi.2007.07.024 View full text
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Michiel Wouters, Iacopo Carusotto

Abstract: We present a generic model for the description of non-equilibrium Bose-Einstein condensates, suited for the modelling of non-resonantly pumped polariton condensates in a semiconductor microcavity. The excitation spectrum and scattering of the non-equilibrium condensate with a defect are discussed. Model and elementary excitation spectrumDue to the finite polariton lifetime, the nature of polariton condensates [1] is fundamentally different from that of their superfluid 4 He and atomic Bose-Einstein condensate…

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