Topological terms, AdS2n gravity, and renormalized entanglement entropy of holographic CFTs

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dc.contributor.authorAnastasiou, Giorgos
dc.contributor.authorAraya, Ignacio J.
dc.contributor.authorOlea, Rodrigo
dc.date.accessioned2022-08-03T22:39:35Z
dc.date.available2022-08-03T22:39:35Z
dc.date.issued2018-05
dc.descriptionIndexación Scopuses
dc.description.abstractWe extend our topological renormalization scheme for entanglement entropy to holographic CFTs of arbitrary odd dimensions in the context of the AdS/CFT correspondence. The procedure consists in adding the Chern form as a boundary term to the area functional of the Ryu-Takayanagi minimal surface. The renormalized entanglement entropy thus obtained can be rewritten in terms of the Euler characteristic and the AdS curvature of the minimal surface. This prescription considers the use of the replica trick to express the renormalized entanglement entropy in terms of the renormalized gravitational action evaluated on the conically singular replica manifold extended to the bulk. This renormalized action is obtained in turn by adding the Chern form as the counterterm at the boundary of the 2n-dimensional asymptotically AdS bulk manifold. We explicitly show that, up to next-to-leading order in the holographic radial coordinate, the addition of this boundary term cancels the divergent part of the entanglement entropy. We discuss possible applications of the method for studying CFT parameters like central charges. © 2018 authors. Published by the American Physical Society.es
dc.description.urihttps://journals-aps-org.recursosbiblioteca.unab.cl/prd/abstract/10.1103/PhysRevD.97.106015
dc.identifier.citationPhysical Review D Volume 97, Issue 1015 May 2018 Article number 106015es
dc.identifier.doi10.1103/PhysRevD.97.106015
dc.identifier.issn24700010
dc.identifier.urihttps://repositorio.unab.cl/xmlui/handle/ria/23443
dc.language.isoenes
dc.publisherAmerican Physical Societyes
dc.rights.licenseCC BY 3.0 CC BY 4.0
dc.subjectGravitationes
dc.subjectEntanglementes
dc.subjectAds/Cft Correspondencees
dc.titleTopological terms, AdS2n gravity, and renormalized entanglement entropy of holographic CFTses
dc.typeArtículoes
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