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dc.creatorDukelsky, Jorgees
dc.creatorGarcía Ramos, José Enriquees
dc.creatorArias Carrasco, José Migueles
dc.creatorPérez Fernández, Pedroes
dc.creatorSchuck, P.es
dc.date.accessioned2019-08-16T08:25:02Z
dc.date.available2019-08-16T08:25:02Z
dc.date.issued2019-08
dc.identifier.citationDukelsky, J., García Ramos, J.E., Arias Carrasco, J.M., Pérez Fernández, P. y Schuck, P. (2019). Number conserving particle-hole RPA for superfluid nuclei. Physics Letters B, 795 (August 2019), 537-541.
dc.identifier.issn0370-2693es
dc.identifier.issn1873-2445es
dc.identifier.urihttps://hdl.handle.net/11441/88397
dc.descriptionTheAuthor(s) - .Published by Elsevier B.V. "This is an open access article under the CCBY license (http://creativecommons.org/licenses/by/4.0/).Funded by SCOAP"es
dc.description.abstractWe present a number conserving particle-hole RPA theory for collective excitations in the transition from normal to superfluid nuclei. The method derives from an RPA theory developed long ago in quantum chemistry using antisymmetric geminal powers, or equivalently number projected HFB states, as reference states. We show within a minimal model of pairing plus monopole interactions that the number conserving particle-hole RPA excitations evolve smoothly across the superfluid phase transition close to the exact results, contrary to particle-hole RPA in the normal phase and quasiparticle RPA in the superfluid phase that require a change of basis at the broken symmetry point. The new formalism can be applied in a straightforward manner to study particle-hole excitations on top of a number projected HFB state.es
dc.description.sponsorshipConsejería de Economía, Conocimiento, Empresas y Universidad de la Junta de Andalucía (Spain) FQM-160 and FQM-370es
dc.description.sponsorshipFondo Europeo de Desarrollo Regional (ERDF), ref. SOMM17/6105/UGRes
dc.description.sponsorshipMinisterio de Ciencia, Innovación y Universidades and the ERDF under Projects No. FIS2015-63770-P, FIS2017-88410-P and PGC2018-094180-B-I00es
dc.description.sponsorshipCEAFMC and Universidad de Huelva High Performance Computer (HPC@UHU) funded by FEDER/MINECO project UNHU-15CE-2848es
dc.formatapplication/pdfes
dc.language.isoenges
dc.publisherElsevieres
dc.relation.ispartofPhysics Letters B, 795 (August 2019), 537-541.
dc.rightsAtribución 4.0 Internacional*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectNumber conserving particle-hole RPAes
dc.subjectNumber projected HFBes
dc.subjectSuperfluid nucleies
dc.titleNumber conserving particle-hole RPA for superfluid nucleies
dc.typeinfo:eu-repo/semantics/articlees
dcterms.identifierhttps://ror.org/03yxnpp24
dc.type.versioninfo:eu-repo/semantics/publishedVersiones
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Física Atómica, Molecular y Nucleares
dc.contributor.affiliationUniversidad de Sevilla. Departamento de Física Aplicada IIIes
dc.relation.projectIDSOMM17/6105/UGRes
dc.relation.projectIDFIS2015-63770-Pes
dc.relation.projectIDFIS2017-88410-Pes
dc.relation.projectIDPGC2018-094180-B-I00es
dc.relation.projectIDUNHU-15CE-2848es
dc.relation.publisherversionhttps://www.sciencedirect.com/science/article/pii/S0370269319304484es
dc.identifier.doi10.1016/j.physletb.2019.07.003es
dc.contributor.groupUniversidad de Sevilla. FQM160: Física Nuclear Básicaes
idus.format.extent5 p.es
dc.journaltitlePhysics Letters Bes
dc.publication.volumen795es
dc.publication.issueAugust 2019es
dc.publication.initialPage537es
dc.publication.endPage541es

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