Ultracold Fermion Cooling Cycle using Heteronuclear Feshbach Resonances

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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.
4 pages, 4 embedded figures

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Statistical Mechanics

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http://salesiana.dossiersoluciones.com/handle/123456789/96769

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0408328
 http://arxiv.org/abs/cond-mat/0408328
 New J. Phys. 7, 87 (2005)
 doi:10.1088/1367-2630/7/1/087

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arXiv