Degenerate fermion gas heating by hole creation

Details Degenerate fermion gas heating by hole creation Degenerate fermion gas heating by hole creation

2001-10-04

arxiv.org/abs/cond-mat/0110098v1

Physics

Condensed Matter

Statistical Mechanics

to be published in PRL

Scientific paper

10.1103/PhysRevLett.87.240403

Loss processes that remove particles from an atom trap leave holes behind in the single particle distribution if the trapped gas is a degenerate fermion system. The appearance of holes increases the temperature and we show that the heating is (i) significant if the initial temperature is well below the Fermi temperature $T_{F}$, and (ii) increases the temperature to $T \geq T_{F}/4$ after half of the system's lifetime, regardless of the initial temperature. The hole heating has important consequences for the prospect of observing Cooper-pairing in atom traps.

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