A dilute atomic Fermi system with a large positive scattering length

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

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Statistical Mechanics, Superconductivity

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http://salesiana.dossiersoluciones.com/handle/123456789/21599

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/cond-mat/0306302
 http://arxiv.org/abs/cond-mat/0306302

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arXiv