Cross-Dimensional relaxation in Bose-Fermi mixtures

Details Cross-Dimensional relaxation in Bose-Fermi mixtures Cross-Dimensional relaxation in Bose-Fermi mixtures

2005-01-06

arxiv.org/abs/cond-mat/0501095v1

Phys. Rev. A 71, 043408 (2005)

Physics

Condensed Matter

Statistical Mechanics

7 pages, 4 figures, uses Revtex 4. This is a companion paper to [PRA 70, 021601(R) (2004)] (cond-mat/0405419)

Scientific paper

10.1103/PhysRevA.71.043408

We consider the equilibration rate for fermions in Bose-Fermi mixtures undergoing cross-dimensional rethermalization. Classical Monte Carlo simulations of the relaxation process are performed over a wide range of parameters, focusing on the effects of the mass difference between species and the degree of initial departure from equilibrium. A simple analysis based on Enskog's equation is developed and shown to be accurate over a variety of different parameter regimes. This allows predictions for mixtures of commonly used alkali atoms.

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