Ultracold Fermion Cooling Cycle using Heteronuclear Feshbach Resonances

Details Ultracold Fermion Cooling Cycle using Heteronuclear Feshbach Resonances Ultracold Fermion Cooling Cycle using Heteronuclear Feshbach Resonances

2004-08-13

arxiv.org/abs/cond-mat/0408328v2

New J. Phys. 7, 87 (2005)

Physics

Condensed Matter

Statistical Mechanics

4 pages, 4 embedded figures

Scientific paper

10.1088/1367-2630/7/1/087

We consider an ideal gas of Bose and Fermi atoms in a harmonic trap, with a Feshbach resonance in the interspecies atomic scattering that can lead to formation of fermionic molecules. We map out the phase diagram for this three-component mixture in chemical and thermal equilibrium. Considering adiabatic association and dissociation of the molecules, we identify a possible cooling cycle, which in ideal circumstances can yield an exponential increase of the phase-space density.

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