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Black hole superradiance from Kerr/CFT

Open access
Bredberg, Irene, Hartman, Thomas, Song, Wei, Strominger, Andrew·2010·Journal of High Energy Physics

Abstract

The superradiant scattering of a scalar field with frequency and angular momentum (ω, m) by a near-extreme Kerr black hole with mass and spin (M, J) was derived in the seventies by Starobinsky, Churilov, Press and Teukolsky. In this paper we show that for frequencies scaled to the superradiant bound the full functional dependence on (ω, m, M, J) of the scattering amplitudes is precisely reproduced by a dual two-dimensional conformal field theory in which the black hole corresponds to a specific thermal state and the scalar field to a specific operator. This striking agreement corroborates a conjectured Kerr/CFT correspondence.

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Metadata

Authors
Bredberg, I., Hartman, T., Song, W., & Strominger, A.
Venue
Journal of High Energy Physics
Published
2010-04
Volume
2010
Issue
4
ISSN
1029-8479 (ISSN-L)
OpenAlex
W2035877031
Cited by
216
References
4
FWCI
14.22
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Black hole superradiance from Kerr/CFT. https://app.cochat.ai/papers/10.1007/jhep04(2010)019
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Bredberg, I., Hartman, T., Song, W., & Strominger, A. (2010). Black hole superradiance from Kerr/CFT. Journal of High Energy Physics. https://doi.org/10.1007/jhep04(2010)019

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.