FRW and domain walls in higher spin gravity

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dc.contributor.authorAros, R.
dc.contributor.authorIazeolla, C.
dc.contributor.authorNoreña, J.
dc.contributor.authorSezgin, E.
dc.contributor.authorSundell, P.
dc.contributor.authorYin, Y.
dc.date.accessioned2018-09-25T14:42:33Z
dc.date.available2018-09-25T14:42:33Z
dc.date.issued2018-03
dc.descriptionIndexación: Scopus.es_ES
dc.description.abstractWe present exact solutions to Vasiliev’s bosonic higher spin gravity equations in four dimensions with positive and negative cosmological constant that admit an interpretation in terms of domain walls, quasi-instantons and Friedman-Robertson-Walker (FRW) backgrounds. Their isometry algebras are infinite dimensional higher-spin extensions of spacetime isometries generated by six Killing vectors. The solutions presented are obtained by using a method of holomorphic factorization in noncommutative twistor space and gauge functions. In interpreting the solutions in terms of Fronsdal-type fields in space-time, a field-dependent higher spin transformation is required, which is implemented at leading order. To this order, the scalar field solves Klein-Gordon equation with conformal mass in (A)dS4. We interpret the FRW solution with de Sitter asymptotics in the context of inflationary cosmology and we expect that the domain wall and FRW solutions are associated with spontaneously broken scaling symmetries in their holographic description. We observe that the factorization method provides a convenient framework for setting up a perturbation theory around the exact solutions, and we propose that the nonlinear completion of particle excitations over FRW and domain wall solutions requires black hole-like states. © 2018, The Author(s).es_ES
dc.description.urihttps://link.springer.com/article/10.1007%2FJHEP03%282018%29153
dc.identifier.citationJournal of High Energy Physics, 2018(3), art. no. 153.es_ES
dc.identifier.issn1126-6708
dc.identifier.otherDOI: 10.1007/JHEP03(2018)153
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/7056
dc.language.isoenes_ES
dc.publisherSpringer Verlages_ES
dc.subjectCosmology of Theories beyond the SMes_ES
dc.subjectHigher Spin Gravityes_ES
dc.subjectHigher Spin Symmetryes_ES
dc.titleFRW and domain walls in higher spin gravityes_ES
dc.typeArtículoes_ES
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