Spin-1/2 fermions on spin-dependent optical lattices

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dc.creatorCazalilla, M. A.
dc.creatorHo, A. F.
dc.creatorGiamarchi, T.
dc.date2005-02-20
dc.date2005-02-25
dc.date.accessioned2026-07-07T06:30:59Z
dc.date.available2026-07-07T06:30:59Z
dc.descriptionWe study the phase diagram of one dimensional spin one-half fermionic cold atoms. The two ``spin'' species can have different hopping or mass. The phase diagram at equal densities of the species is found to be very rich, Mott insulators as well as superfluids. We also briefly discuss coupling 1D systems together, and some experimental signatures of these phases. In particular, we compute the spin structure factor in the small momentum limit, which should allow the spin gap to be detected.
dc.descriptionAdded references and shortened paper
dc.identifierhttps://arxiv.org/abs/cond-mat/0502487
dc.identifierhttp://arxiv.org/abs/cond-mat/0502487
dc.identifierPhys. Rev. Lett 95, 226402 (2005)
dc.identifierdoi:10.1103/PhysRevLett.95.226402
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/98488
dc.subjectSoft Condensed Matter
dc.subjectStrongly Correlated Electrons
dc.titleSpin-1/2 fermions on spin-dependent optical lattices
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