Supermassive black holes in scalar field galaxy halos

Details Supermassive black holes in scalar field galaxy halos Supermassive black holes in scalar field galaxy halos

2002-07-23

arxiv.org/abs/astro-ph/0207493v2

Phys.Rev. D66 (2002) 083005

Astronomy and Astrophysics

Astrophysics

5 pages RevTex4, no figures. Updated file to match published version

Scientific paper

10.1103/PhysRevD.66.083005

Ultra-light scalar fields provide an interesting alternative to WIMPS as halo dark matter. In this paper we consider the effect of embedding a supermassive black hole within such a halo, and estimate the absorption probability and the accretion rate of dark matter onto the black hole. We show that the accretion rate would be small over the lifetime of a typical halo, and hence that supermassive central black holes can coexist with scalar field halos.

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