Phase Dynamics of Bose-Einstein Condensates: Losses versus Revivals

Details Phase Dynamics of Bose-Einstein Condensates: Losses versus Revivals Phase Dynamics of Bose-Einstein Condensates: Losses versus Revivals

1998-02-20

arxiv.org/abs/physics/9802040v1

Eur. Phys. J. D 4, 247-260 (1998).

Physics

Atomic Physics

24 pages, 9 figures. submitted to European Journal of Physics D

Scientific paper

10.1007/s100530050206

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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