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Journal Article

Scale invariant hairy black holes

MPS-Authors
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Theisen,  Stefan
Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society;

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Fulltext (public)

PhysRevD_72_064019.pdf
(Publisher version), 116KB

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Citation

Banados, M., & Theisen, S. (2005). Scale invariant hairy black holes. Physical Review D, 72(6): 064019. doi:10.1103/PhysRevD.72.064019.


Cite as: http://hdl.handle.net/11858/00-001M-0000-0013-4DE4-3
Abstract
Scalar fields coupled to three-dimensional gravity are considered. We uncover a scaling symmetry present in the black hole reduced action, and use it to prove a Smarr formula valid for any potential. We also prove that nonrotating hairy black holes exists only for positive total energy. The extension to higher dimensions is also considered.