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On the topological charge of SO(2)gauged Skyrmions in 2 +1and 3 +1dimensions

dc.contributor.authorNavarro Lerida, Francisco
dc.contributor.authorRadu, Eugen
dc.contributor.authorTchrakian, D. H.
dc.date.accessioned2023-10-24T11:11:26Z
dc.date.available2023-10-24T11:11:26Z
dc.date.issued2019-02-13
dc.description.abstractThe question of the dependence of the topological charge qof a gauged Skyrmion, on the gauge field, is studied quantitatively. Two examples, both gauged with SO(2)are studied and contrasted:i)The O(3) model in 2 +1dimensions, andii)The O(4)model in 3 +1dimensions. In casei), where the (usual) Chern–Simons (CS) term is present, the value of qchanges sign, going through zero. This evolution is tracked by a parameter characterising the solutions in the given theory. In caseii), in which dimensions no CS density is available, the evolution of qis not observed.
dc.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.facultyInstituto de Física de Partículas y del Cosmos (IPARCOS)
dc.description.refereedTRUE
dc.description.sponsorshipDIAS
dc.description.sponsorshipPortuguese national funding agency for science, research and technology (FCT) within the Center for Research and Development in Mathematics and Applications (CIDMA)
dc.description.sponsorshipH2020-MSCA-RISE-2015
dc.description.sponsorshipH2020-MSCA-RISE-2017
dc.description.sponsorshipCIDMA project
dc.description.statuspub
dc.identifier.doi10.1016/j.physletb.2019.02.011
dc.identifier.essn1873-2445
dc.identifier.issn0370-2693
dc.identifier.officialurlhttps://www.sciencedirect.com/science/article/pii/S0370269319301042?via%3Dihub
dc.identifier.urihttps://hdl.handle.net/20.500.14352/88384
dc.journal.titlePhysics Letters B
dc.language.isoeng
dc.page.final292
dc.page.initial287
dc.publication.placeEstados Unidos
dc.publisherElsevier
dc.relation.projectIDUID/MAT/04106/2019
dc.relation.projectIDStronGrHEP-690904
dc.relation.projectIDFunFiCO-777740
dc.relation.projectIDUID/MAT/04106/2013
dc.rightsAttribution 4.0 Internationalen
dc.rights.accessRightsopen access
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/
dc.subject.cdu53
dc.subject.cdu51-73
dc.subject.keywordSolitons
dc.subject.keywordSkyrmions
dc.subject.keywordTopological charge
dc.subject.keywordInstantons
dc.subject.ucmFísica matemática
dc.subject.ucmFísica-Modelos matemáticos
dc.subject.unesco2212 Física Teórica
dc.titleOn the topological charge of SO(2)gauged Skyrmions in 2 +1and 3 +1dimensions
dc.typejournal article
dc.type.hasVersionAM
dc.volume.number791
dspace.entity.typePublication
relation.isAuthorOfPublication48bd59fc-6ed5-48f0-a1f9-031606622729
relation.isAuthorOfPublication.latestForDiscovery48bd59fc-6ed5-48f0-a1f9-031606622729

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