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Research PapersNo Access

A NOTE ON KERR/CFT AND FREE FIELDS

JØRGEN RASMUSSEN

JØRGEN RASMUSSEN

Department of Mathematics and Statistics, University of Melbourne, Parkville, Victoria 3010, Australia

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https://doi.org/10.1142/S0217751X10050457Cited by:2 (Source: Crossref)

Abstract

The near-horizon geometry of the extremal four-dimensional Kerr black hole and certain generalizations thereof has an SL(2, ℝ) × U(1) isometry group. Excitations around this geometry can be controlled by imposing appropriate boundary conditions. For certain boundary conditions, the U(1) isometry is enhanced to a Virasoro algebra. Here, we propose a free-field construction of this Virasoro algebra.

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Vol. 25, No. 20

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Received 22 December 2009

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