A dilute atomic Fermi system with a large positive scattering length

Details A dilute atomic Fermi system with a large positive scattering length A dilute atomic Fermi system with a large positive scattering length

2003-06-11

arxiv.org/abs/cond-mat/0306302v2

Physics

Condensed Matter

Statistical Mechanics

4 pages + 1 embedded figure, one more author and additional calculations

Scientific paper

We show that a dilute atomic Fermi system at sufficiently low temperatures,
can display fermionic superfluidity, even in the case of a repulsive atom-atom
interaction, when the scattering length is positive. The attraction leading to
the formation of Cooper pairs is provided by the exchange of Bogoliubov phonons
if a fraction of the atoms form a BEC of weakly bound molecules.

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