Four-body problem and BEC-BCS crossover in a quasi-one-dimensional cold fermion gas

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dc.creatorMora, C.
dc.creatorKomnik, A.
dc.creatorEgger, R.
dc.creatorGogolin, A. O.
dc.date2005-01-26
dc.date2005-08-22
dc.date.accessioned2026-07-07T06:26:14Z
dc.date.available2026-07-07T06:26:14Z
dc.descriptionThe four-body problem for an interacting two-species Fermi gas is solved analytically in a confined quasi-one-dimensional geometry, where the two-body atom-atom scattering length $a_{aa}$ displays a confinement-induced resonance. We compute the dimer-dimer scattering length $a_{dd}$, and show that this quantity completely determines the many-body solution of the associated BEC-BCS crossover phenomenon in terms of bosonic dimers.
dc.description5 pages, 1 figure, published in Phys. Rev. Lett., breathing mode calculation added
dc.identifierhttps://arxiv.org/abs/cond-mat/0501641
dc.identifierhttp://arxiv.org/abs/cond-mat/0501641
dc.identifierPhys. Rev. Lett. 95, 080403 (2005)
dc.identifierdoi:10.1103/PhysRevLett.95.080403
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/97052
dc.subjectStatistical Mechanics
dc.subjectSuperconductivity
dc.subjectAtomic Physics
dc.subjectQuantum Physics
dc.titleFour-body problem and BEC-BCS crossover in a quasi-one-dimensional cold fermion gas
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