Sarah Chadburn
Time dependent black holes and scalar hair
Chadburn, Sarah; Gregory, Ruth
Authors
Ruth Gregory
Abstract
We show how to correctly account for scalar accretion onto black holes in scalar field models of dark energy by a consistent expansion in terms of a slow roll parameter. At leading order, we find an analytic solution for the scalar field within our Hubble volume, which is regular on both black hole and cosmological event horizons, and compute the back reaction of the scalar on the black hole, calculating the resulting expansion of the black hole. Our results are independent of the relative size of black hole and cosmological event horizons. We comment on the implications for more general black hole accretion, and the no hair theorems.
Citation
Chadburn, S., & Gregory, R. (2014). Time dependent black holes and scalar hair. Classical and Quantum Gravity, 31(19), Article 195006. https://doi.org/10.1088/0264-9381/31/19/195006
Journal Article Type | Article |
---|---|
Acceptance Date | Aug 7, 2014 |
Publication Date | Oct 7, 2014 |
Deposit Date | Apr 24, 2013 |
Publicly Available Date | Sep 23, 2015 |
Journal | Classical and Quantum Gravity |
Print ISSN | 0264-9381 |
Electronic ISSN | 1361-6382 |
Publisher | IOP Publishing |
Peer Reviewed | Peer Reviewed |
Volume | 31 |
Issue | 19 |
Article Number | 195006 |
DOI | https://doi.org/10.1088/0264-9381/31/19/195006 |
Related Public URLs | http://arxiv.org/abs/1304.6287 |
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Copyright Statement
This is an author-created, un-copyedited version of an article published in Classical and Quantum Gravity. IOP Publishing Ltd is not responsible for any errors or omissions in this version of the manuscript or any version derived from it. The Version of Record is available online at http://dx.doi.org/10.1088/0264-9381/31/19/195006
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