Confinement-induced resonances for a two-component ultracold atom gas in arbitrary quasi-one-dimensional traps

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dc.creatorPeano, V.
dc.creatorThorwart, M.
dc.creatorMora, C.
dc.creatorEgger, R.
dc.date2005-06-13
dc.date.accessioned2026-07-07T06:26:15Z
dc.date.available2026-07-07T06:26:15Z
dc.descriptionWe solve the two-particle s-wave scattering problem for ultracold atom gases confined in arbitrary quasi-one-dimensional trapping potentials, allowing for two different atom species. As a consequence, the center-of-mass and relative degrees of freedom do not factorize. We derive bound-state solutions and obtain the general scattering solution, which exhibits several resonances in the 1D scattering length induced by the confinement. We apply our formalism to two experimentally relevant cases: (i) interspecies scattering in a two-species mixture, and (ii) the two-body problem for a single species in a non-parabolic trap.
dc.description22 pages, 3 figures
dc.identifierhttps://arxiv.org/abs/cond-mat/0506272
dc.identifierhttp://arxiv.org/abs/cond-mat/0506272
dc.identifierNew J. Phys. 7 (2005) 192
dc.identifierdoi:10.1088/1367-2630/7/1/192
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/97055
dc.subjectOther Condensed Matter
dc.subjectQuantum Physics
dc.titleConfinement-induced resonances for a two-component ultracold atom gas in arbitrary quasi-one-dimensional traps
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