Three-Fluid Description of the Sympathetic Cooling of a Boson-Fermion Mixture

Details Three-Fluid Description of the Sympathetic Cooling of a Boson-Fermion Mixture Three-Fluid Description of the Sympathetic Cooling of a Boson-Fermion Mixture

2003-01-28

arxiv.org/abs/cond-mat/0301544v1

Phys. Rev. A 66, 043414 (2002)

Physics

Condensed Matter

9 pages, 6 figures

Scientific paper

10.1103/PhysRevA.66.043414

We present a model for sympathetic cooling of a mixture of fermionic and bosonic atomic gases in harmonic traps, based on a three-fluid description. The model confirms the experimentally observed cooling limit of about 0.2 T_F when only bosons are pumped. We propose sequential cooling -- first pumping of bosons and afterwards fermions -- as a way to obtain lower temperatures. For this scheme, our model predicts that temperatures less than 0.1 T_F can be reached.

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