High-Temperature Atomic Superfluidity in Lattice Boson-Fermion Mixtures

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dc.creatorIlluminati, F.
dc.creatorAlbus, A.
dc.date2003-11-11
dc.date2004-06-09
dc.date.accessioned2026-07-07T02:54:43Z
dc.date.available2026-07-07T02:54:43Z
dc.descriptionWe consider atomic Bose-Fermi mixtures in optical lattices and study the superfluidity of fermionic atoms due to s-wave pairing induced by boson-fermion interactions. We prove that the induced fermion-fermion coupling is always {\it attractive} if the boson-boson on site interaction is repulsive, and predict the existence of an enhanced BEC--BCS crossover as the strength of the lattice potential is varied. We show that for direct on-site fermion-fermion {\it repulsion}, the induced attraction can give rise to superfluidity via s-wave pairing, at striking variance with the case of pure systems of fermionic atoms with direct repulsive interactions.
dc.description4 pages, 2 figures, final version
dc.identifierhttps://arxiv.org/abs/cond-mat/0311248
dc.identifierhttp://arxiv.org/abs/cond-mat/0311248
dc.identifierPhys. Rev. Lett. 93, 090406 (2004)
dc.identifierdoi:10.1103/PhysRevLett.93.090406
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/22664
dc.subjectCondensed Matter
dc.subjectAtomic Physics
dc.subjectQuantum Physics
dc.titleHigh-Temperature Atomic Superfluidity in Lattice Boson-Fermion Mixtures
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