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dc.contributor.authorValiente Cifuentes, Manuel-
dc.contributor.authorZinner, Nikolaj Thomas-
dc.contributor.authorMolmer, Klaus-
dc.date.accessioned2025-01-28T09:13:23Z-
dc.date.available2025-01-28T09:13:23Z-
dc.date.issued2012-10-15-
dc.identifier.citationPhysical Review A, Vol. 86, 043616 (2012)es
dc.identifier.issnPrint: 2469-9926-
dc.identifier.issnElectronic: 2469-9934-
dc.identifier.urihttp://hdl.handle.net/10201/149408-
dc.description© 2012 American Physical Society. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/ This document is the Published Manuscript, version of a Published Work that appeared in final form in Physical Review A . To access the final edited and published work see https://doi.org/10.1103/PhysRevA.86.043616-
dc.description.abstractWe consider spin-1/2 Fermi gases in arbitrary, integer, or noninteger spatial dimensions, interacting via a Dirac 𝛿 potential. We first generalize the method of Tan's distributions and implement short-range boundary conditions to arbitrary dimension and we obtain a set of universal relations for the Fermi gas. Three-dimensional scattering under very general conditions of transversal confinement is described by an effectively reduced-dimensional scattering length, which we show depends on the three-dimensional scattering length in a universal way. Our formula for noninteger dimensions interpolates between the known results in integer dimensions 1, 2, and 3. Without any need to solve the associated multichannel scattering problem, we find that confinement-induced resonances occur in all dimensions different from 𝐷=2, while reduced-dimensional contacts, related to the tails of the momentum distributions, are connected to the three-dimensional contact by a correction factor of purely geometric origin.-
dc.formatapplication/pdfes
dc.languageenges
dc.publisherAmerican Physical Society-
dc.relationVillum Kann Rassmussen Foundation, Danish Council for Independent Researches
dc.rightsinfo:eu-repo/semantics/openAccesses
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subject.otherCDU::5 - Ciencias puras y naturaleses
dc.titleUniversal properties of Fermi gases in arbitrary dimensionses
dc.typeinfo:eu-repo/semantics/articlees
dc.relation.publisherversionhttps://journals.aps.org/pra/abstract/10.1103/PhysRevA.86.043616-
dc.identifier.doihttps://doi.org/10.1103/PhysRevA.86.043616-
dc.contributor.departmentFísica-
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