Please use this identifier to cite or link to this item: http://hdl.handle.net/10773/26024
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dc.contributor.authorNavarro-Lerida, Franciscopt_PT
dc.contributor.authorRadu, Eugenpt_PT
dc.contributor.authorTchrakian, D. H.pt_PT
dc.date.accessioned2019-05-10T15:23:21Z-
dc.date.available2019-05-10T15:23:21Z-
dc.date.issued2019-04-10-
dc.identifier.issn0370-2693pt_PT
dc.identifier.urihttp://hdl.handle.net/10773/26024-
dc.description.abstractThe question of the dependence of the topological charge q of 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+1 dimensions, and ii) The O(4) model in 3+1 dimensions. In case i), where the (usual) Chern–Simons (CS) term is present, the value of q changes sign, going through zero. This evolution is tracked by a parameter characterising the solutions in the given theory. In case ii), in which dimensions no CS density is available, the evolution of q is not observed.pt_PT
dc.language.isoengpt_PT
dc.publisherElsevierpt_PT
dc.relationUID/MAT/04106/2019pt_PT
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/690904/EUpt_PT
dc.relationinfo:eu-repo/grantAgreement/EC/H2020/777740/EUpt_PT
dc.relationinfo:eu-repo/grantAgreement/FCT/5876/147206/PTpt_PT
dc.rightsopenAccesspt_PT
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/pt_PT
dc.subjectInstantonspt_PT
dc.subjectSkyrmionspt_PT
dc.subjectSolitonspt_PT
dc.subjectTopological chargept_PT
dc.titleOn the topological charge of S O(2) gauged Skyrmions in 2 + 1 and 3 + 1 dimensionspt_PT
dc.typearticlept_PT
dc.description.versionpublishedpt_PT
dc.peerreviewedyespt_PT
degois.publication.firstPage287pt_PT
degois.publication.lastPage292pt_PT
degois.publication.titlePhysics Letters Bpt_PT
degois.publication.volume791pt_PT
dc.identifier.doi10.1016/j.physletb.2019.02.011pt_PT
dc.identifier.essn1873-2445pt_PT
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GGDG - Artigos

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