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24 April 2024

» arxiv » 1008.4744

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Asymptotic symmetries of three-dimensional gravity coupled to higher-spin fields
Andrea Campoleoni ; Stefan Fredenhagen ; Stefan Pfenninger ; Stefan Theisen ;
Date:	27 Aug 2010
Abstract:	We discuss the emergence of W-algebras as asymptotic symmetries of higher-spin gauge theories coupled to three-dimensional Einstein gravity with a negative cosmological constant. We focus on models involving a finite number of bosonic higher-spin fields, and especially on the example provided by the coupling of a spin-3 field to gravity. It is described by a SL(3) imes SL(3) Chern-Simons theory and its asymptotic symmetry algebra is given by two copies of the classical W_3-algebra with central charge the one computed by Brown and Henneaux in pure gravity with negative cosmological constant.
Source:	arXiv, 1008.4744
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