A dilute atomic Fermi system with a large positive scattering length

Antonio C. Fonseca; Aurel Bulgac; Paulo F. Bedaque

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arxiv cond-mat/0306302 v2 pith:CP47PNZX submitted 2003-06-11 cond-mat.stat-mech cond-mat.supr-con

A dilute atomic Fermi system with a large positive scattering length

Aurel Bulgac , Paulo F. Bedaque , Antonio C. Fonseca This is my paper

classification cond-mat.stat-mech cond-mat.supr-con

keywords atomicdilutefermilengthpositivescatteringsystematom-atom

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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.

A dilute atomic Fermi system with a large positive scattering length

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