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Article Dans Une Revue Journal of Statistical Physics Année : 2005

A Dicke Type Model for Equilibrium BEC Superradiance

Résumé

We study the effect of electromagnetic radiation on the condensate of a Bose gas. In an earlier paper we considered the problem for two simple models showing the cooperative effect between Bose-Einstein condensation and superradiance. In this paper we formalise the model suggested by Ketterle et al in which the Bose condensate particles have a two level structure. We present a soluble microscopic Dicke type model describing a thermodynamically stable system. We find the equilibrium states of the system and compute the thermodynamic functions giving explicit formulae expressing the cooperative effect between Bose-Einstein condensation and superradiance.
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Dates et versions

hal-00003071 , version 1 (14-10-2004)

Identifiants

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Joseph V. Pulé, André F. Verbeure, Valentin A. Zagrebnov. A Dicke Type Model for Equilibrium BEC Superradiance. Journal of Statistical Physics, 2005, 119 (1-2), pp.309-329. ⟨10.1007/s10955-004-2007-z⟩. ⟨hal-00003071⟩
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