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Phase Dynamics of Bose-Einstein Condensates: Losses versus Revivals

Alice Sinatra·Yvan Castin
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Abstract

In the absence of losses the phase of a Bose-Einstein condensate undergoes collapses and revivals in time due to elastic atomic interactions. As experiments necessarily involve inelastic collisions, we develop a model to describe the phase dynamics of the condensates in presence of collisional losses. We find that a few inelastic processes are sufficient to damp the revivals of the phase. For this reason the observability of phase revivals for present experimental conditions is limited to condensates with a few hundreds of atoms.

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Alice Sinatra, Yvan Castin. 1998-02-20. Phase Dynamics of Bose-Einstein Condensates: Losses versus Revivals. https://doi.org/10.1007/s100530050206

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