期刊
CLASSICAL AND QUANTUM GRAVITY
卷 31, 期 19, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/31/19/195006
关键词
black holes; no hair; scalar fields
类别
资金
- STFC [ST/J000426/1]
- Wolfson Foundation
- Perimeter Institute for Theoretical Physics
- EPSRC studentship
- Government of Canada through Industry Canada
- Province of Ontario through the Ministry of Economic Development and Innovation
- Royal Society
- STFC [ST/J000426/1, ST/L000407/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/L000407/1, ST/J000426/1] Funding Source: researchfish
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.
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