Thermalization in mixtures of ultracold gases

Details Thermalization in mixtures of ultracold gases Thermalization in mixtures of ultracold gases

2005-07-28

arxiv.org/abs/cond-mat/0507681v2

Physical Review A: Atomic, Molecular and Optical Physics 73 (2006) 032706

Physics

Condensed Matter

Other Condensed Matter

Scientific paper

10.1103/PhysRevA.73.032706

Starting from a set of coupled Boltzmann equations, we investigate the thermalization of a two-species cold atomic gas confined either in a box or in an isotropic harmonic trap. We show that the thermalization times, by contrast to the collision rate, depend on the interferences between scattering partial waves. The dynamics of thermalization in a harmonic trap is also strongly dependent upon the ratio between the collision rate and the trap frequencies.

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