On boundary conditions in three-dimensional AdS gravity

OLIVERA MISKOVIC , Rodrigo Olea

Research output: Contribution to journalArticlepeer-review

31 Scopus citations

Abstract

A finite action principle for three-dimensional gravity with negative cosmological constant, based on a boundary condition for the asymptotic extrinsic curvature, is considered. The bulk action appears naturally supplemented by a boundary term that is one half the Gibbons-Hawking term, that makes the Euclidean action and the Noether charges finite without additional Dirichlet counterterms. The consistency of this boundary condition with the Dirichlet problem in AdS gravity and the Chern-Simons formulation in three dimensions, and its suitability for the higher odd-dimensional case, are also discussed.

Original languageEnglish
Pages (from-to)101-107
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume640
Issue number3
DOIs
StatePublished - 7 Sep 2006

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