dc.creator | Dukelsky, Jorge | es |
dc.creator | García Ramos, José Enrique | es |
dc.creator | Arias Carrasco, José Miguel | es |
dc.creator | Pérez Fernández, Pedro | es |
dc.creator | Schuck, P. | es |
dc.date.accessioned | 2019-08-16T08:25:02Z | |
dc.date.available | 2019-08-16T08:25:02Z | |
dc.date.issued | 2019-08 | |
dc.identifier.citation | Dukelsky, 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.issn | 0370-2693 | es |
dc.identifier.issn | 1873-2445 | es |
dc.identifier.uri | https://hdl.handle.net/11441/88397 | |
dc.description | TheAuthor(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.abstract | We 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.sponsorship | Consejería de Economía, Conocimiento, Empresas y Universidad de la Junta de Andalucía (Spain) FQM-160 and FQM-370 | es |
dc.description.sponsorship | Fondo Europeo de Desarrollo Regional (ERDF), ref. SOMM17/6105/UGR | es |
dc.description.sponsorship | Ministerio de Ciencia, Innovación y Universidades and the ERDF under Projects No. FIS2015-63770-P, FIS2017-88410-P and PGC2018-094180-B-I00 | es |
dc.description.sponsorship | CEAFMC and Universidad de Huelva High Performance Computer (HPC@UHU) funded by FEDER/MINECO project UNHU-15CE-2848 | es |
dc.format | application/pdf | es |
dc.language.iso | eng | es |
dc.publisher | Elsevier | es |
dc.relation.ispartof | Physics Letters B, 795 (August 2019), 537-541. | |
dc.rights | Atribución 4.0 Internacional | * |
dc.rights.uri | http://creativecommons.org/licenses/by/4.0/ | * |
dc.subject | Number conserving particle-hole RPA | es |
dc.subject | Number projected HFB | es |
dc.subject | Superfluid nuclei | es |
dc.title | Number conserving particle-hole RPA for superfluid nuclei | es |
dc.type | info:eu-repo/semantics/article | es |
dcterms.identifier | https://ror.org/03yxnpp24 | |
dc.type.version | info:eu-repo/semantics/publishedVersion | es |
dc.rights.accessRights | info:eu-repo/semantics/openAccess | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear | es |
dc.contributor.affiliation | Universidad de Sevilla. Departamento de Física Aplicada III | es |
dc.relation.projectID | SOMM17/6105/UGR | es |
dc.relation.projectID | FIS2015-63770-P | es |
dc.relation.projectID | FIS2017-88410-P | es |
dc.relation.projectID | PGC2018-094180-B-I00 | es |
dc.relation.projectID | UNHU-15CE-2848 | es |
dc.relation.publisherversion | https://www.sciencedirect.com/science/article/pii/S0370269319304484 | es |
dc.identifier.doi | 10.1016/j.physletb.2019.07.003 | es |
dc.contributor.group | Universidad de Sevilla. FQM160: Física Nuclear Básica | es |
idus.format.extent | 5 p. | es |
dc.journaltitle | Physics Letters B | es |
dc.publication.volumen | 795 | es |
dc.publication.issue | August 2019 | es |
dc.publication.initialPage | 537 | es |
dc.publication.endPage | 541 | es |