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Dressing a black hole with a time-dependent Galileon
Open accessAbstract
We present a class of exact scalar-tensor black holes for a shift-symmetric part of the Horndeski action. The action includes a higher order scalar tensor interaction term. We find that for a static and spherically symmetric space-time, the scalar field, if time dependent, can be non-trivial and regular thus circumventing in an interesting way no-hair arguments for gallileons. Furthermore, within this class we find a stealth Schwarzschild and a partially self-tuned de-Sitter Schwarzschild black hole, both exhibiting a non trivial and regular space and time dependent scalar. In the latter solution the bulk vacuum energy is screened from a necessarily smaller geometric effective de Sitter vacuum via an integration constant associated to the time dependent scalar field.
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Deffayet, C., Deser, S., & Esposito-Farèse, G. (2009) · Physical Review D · doi:10.1103/physrevd.80.064015 · Cited by 719
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Joyce, A., Jain, B., Khoury, J., & Trodden, M. (2015) · Physics Reports · doi:10.1016/j.physrep.2014.12.002 · Cited by 1,231
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Herdeiro, C. A. R., & Radu, E. (2015) · International Journal of Modern Physics D · doi:10.1142/s0218271815420146 · Cited by 729
A systematic approach to generalisations of General Relativity and their cosmological implications
Heisenberg, L. (2019) · Physics Reports · doi:10.1016/j.physrep.2018.11.006 · Cited by 419
“Hairy black hole solutions can be constructed within this class of theories, if some of the assumptions are set aside, for instance solutions involving π′ 6= 0 [290, 291, 62, 61].”
Background
Metadata
- Authors
- Babichev, E., & Charmousis, C.
- Venue
- Journal of High Energy Physics
- Published
- 2014-08
- Volume
- 2014
- Issue
- 8
- ISSN
- 1029-8479 (ISSN-L)
- OpenAlex
- W1975197143
- Cited by
- 408
- References
- 1
- FWCI
- 16.19
- Type
- journal article
- Language
- en
- Open access
- diamond
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
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.
