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  Black holes with gravitational hair in higher dimensions

Anabalon, A., Canfora, F., Giacomini, A., & Oliva, J. (2011). Black holes with gravitational hair in higher dimensions. Physical Review D, 84(8): 084015. doi:10.1103/PhysRevD.84.084015.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-14D4-6 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-0012-14D6-2
Genre: Journal Article

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1108.1476 (Preprint), 201KB
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 Creators:
Anabalon, Andres1, Author              
Canfora, Fabrizio, Author
Giacomini, Alex, Author
Oliva, Julio, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, escidoc:24014              

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Free keywords: High Energy Physics - Theory, hep-th,General Relativity and Quantum Cosmology, gr-qc
 Abstract: A new class of vacuum black holes for the most general gravity theory leading to second order field equations in the metric in even dimensions is presented. These space-times are locally AdS in the asymptotic region, and are characterized by a continuous parameter that does not enter in the conserve charges, nor it can be reabsorbed by a coordinate transformation: it is therefore a purely gravitational hair. The black holes are constructed as a warped product of a two-dimensional space-time, which resembles the r-t plane of the BTZ black hole, times a warp factor multiplying the metric of a D-2-dimensional Euclidean base manifold, which is restricted by a scalar equation. It is shown that all the Noether charges vanish. Furthermore, this is consistent with the Euclidean action approach: even though the black hole has a finite temperature, both the entropy and the mass vanish. Interesting examples of base manifolds are given in eight dimensions which are products of Thurston geometries, giving then a nontrivial topology to the black hole horizon. The possibility of introducing a torsional hair for these solutions is also discussed.

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 Dates: 2011-08-062011
 Publication Status: Published in print
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 Rev. Method: -
 Identifiers: arXiv: 1108.1476
DOI: 10.1103/PhysRevD.84.084015
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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : Published for the American Physical Society by the American Institute of Physics
Pages: - Volume / Issue: 84 (8) Sequence Number: 084015 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: http://pubman.mpdl.mpg.de/cone/journals/resource/111088197762258