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K3 fibrations and softly broken N=4 supersymmetric gauge theories

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dc.contributor.authorGómez, César
dc.contributor.authorHernández Redondo, Rafael
dc.contributor.authorLópez, Esperanza
dc.date.accessioned2023-06-20T20:24:33Z
dc.date.available2023-06-20T20:24:33Z
dc.date.issued1997-09-08
dc.description© 1997 Published by Elsevier Science B.V. We thank conversations with K. Landsteiner, W. Lerche, A. Sen, C. Vafa and N. Warner. This work is partially supported under grant OFES contract number 930083 by European Community grant ERBCHRXCT920069 and by PB92-1092. The work of E. L. is supported by C.A.P.V. fellowship. The work of R. H. is supported by U.A.M. fellowship.
dc.description.abstractGlobal geometry of K3-fibration Calabi-Yau threefolds, with Hodge number h_(2,1) = r+1, is used to define N =4 softly broken SU(r+1) gauge theories, with the bare coupling constant given by the dual heterotic dilaton, and the mass of the adjoint hypermultiplet given by the heterotic string tension. The U(r+1) Donagi-Witten integrable model is also derived from the K3-fibration structure, with the extra U(1) associated to the heterotic dilaton. The case of SU(2) gauge group is analyzed in detail. String physics beyond the heterotic point particle limit is partially described by the N =4 softly broken theory.
dc.description.departmentDepto. de Física Teórica
dc.description.facultyFac. de Ciencias Físicas
dc.description.refereedTRUE
dc.description.sponsorshipOFES
dc.description.sponsorshipEuropean Community
dc.description.sponsorshipC.A.P.V.
dc.description.sponsorshipU.A.M.
dc.description.statuspub
dc.eprint.idhttps://eprints.ucm.es/id/eprint/45729
dc.identifier.doi10.1016/S0550-3213(97)00336-2
dc.identifier.issn0550-3213
dc.identifier.officialurlhttp://dx.doi.org/10.1016/S0550-3213(97)00336-2
dc.identifier.relatedurlhttp://www.sciencedirect.com
dc.identifier.relatedurlhttps://arxiv.org/abs/hep-th/9608104v2
dc.identifier.urihttps://hdl.handle.net/20.500.14352/60226
dc.issue.number1
dc.journal.titleNuclear physics B
dc.language.isoeng
dc.page.final133
dc.page.initial109
dc.publisherElsevier
dc.relation.projectID930083
dc.relation.projectIDERBCHRXCT920069
dc.relation.projectIDPB92-1092
dc.rights.accessRightsopen access
dc.subject.cdu53
dc.subject.keywordSupersymmetric gauge theories
dc.subject.keywordString duality
dc.subject.keywordIntegrability.
dc.subject.ucmFísica-Modelos matemáticos
dc.titleK3 fibrations and softly broken N=4 supersymmetric gauge theories
dc.typejournal article
dc.volume.number501
dspace.entity.typePublication
relation.isAuthorOfPublicationc904cec6-4e4a-45e1-a8a5-027c9abc2127
relation.isAuthorOfPublication.latestForDiscoveryc904cec6-4e4a-45e1-a8a5-027c9abc2127

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