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기하학수리물리연구단
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Geometric U-folds in four dimensions

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dc.contributor.authorLazaroiu C.I.-
dc.contributor.authorShahbazi C.S.-
dc.date.available2018-04-13T02:26:39Z-
dc.date.created2018-03-15-
dc.date.issued2018-01-
dc.identifier.issn1751-8113-
dc.identifier.urihttps://pr.ibs.re.kr/handle/8788114/4419-
dc.description.abstractWe describe a general construction of geometric U-folds compatible with a non-trivial extension of the global formulation of four-dimensional extended supergravity on a differentiable spin manifold. The topology of geometric U-folds depends on certain flat fiber bundles which encode how supergravity fields are globally glued together. We show that smooth non-trivial U-folds of this type can exist only in theories where both the scalar and space-time manifolds have non-trivial fundamental group and in addition the scalar map of the solution is homotopically non-trivial. Consistency with string theory requires smooth geometric U-folds to be glued using subgroups of the effective discrete U-duality group, implying that the fundamental group of the scalar manifold of such solutions must be a subgroup of the latter. We construct simple examples of geometric U-folds in a generalization of the axion-dilaton model of N = 2 supergravity coupled to a single vector multiplet, whose scalar manifold is a generally non-compact Riemann surface of genus at least two endowed with its uniformizing metric. We also discuss the relation between geometric U-folds and a moduli space of flat connections defined on the scalar manifold, which involves certain character varieties not studied in the literature. © 2017 IOP Publishing Ltd-
dc.language영어-
dc.publisherIOP PUBLISHING LTD-
dc.titleGeometric U-folds in four dimensions-
dc.typeArticle-
dc.type.rimsART-
dc.identifier.wosid000427865500007-
dc.identifier.scopusid2-s2.0-85037696265-
dc.identifier.rimsid62752ko
dc.date.tcdate2018-10-01-
dc.contributor.affiliatedAuthorLazaroiu C.I.-
dc.identifier.doi10.1088/1751-8121/aa9665-
dc.identifier.bibliographicCitationJOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL, v.51, no.1, pp.015207-
dc.relation.isPartOfJOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL-
dc.citation.titleJOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL-
dc.citation.volume51-
dc.citation.number1-
dc.citation.startPage015207-
dc.date.scptcdate2018-10-01-
dc.description.scptc1-
dc.description.journalClass1-
dc.description.journalClass1-
dc.description.isOpenAccessN-
dc.description.journalRegisteredClassscie-
dc.description.journalRegisteredClassscopus-
dc.subject.keywordAuthordifferential geometry-
dc.subject.keywordAuthorsupergravity-
dc.subject.keywordAuthorU-folds-
Appears in Collections:
Center for Geometry and Physics(기하학 수리물리 연구단) > 1. Journal Papers (저널논문)
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2018_CIL_Geometric U-fodls in four dimensions.pdfDownload

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