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A note on Kerr/CFT and free fields

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arxiv 0909.2924 v2 pith:IJAKCUBG submitted 2009-09-16 hep-th

Jorgen Rasmussen This is my paper · ORCID
classification hep-th
keywords algebraboundarycertainconditionsgeometryisometrykerrvirasoro
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The near-horizon geometry of the extremal four-dimensional Kerr black hole and certain generalizations thereof has an SL(2,R) x 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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Cited by 1 Pith paper

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  1. Monodromy, Hidden Conformal Symmetry and Soft Hair in Kerr-MOG Black Hole

    hep-th 2026-07 conditional novelty 4.0 of 10

    Kerr-MOG black holes are claimed to admit a 2D CFT dual with temperatures TL and TR and central charge 12J, reproducing the Bekenstein-Hawking entropy and scalar absorption cross section.

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