Black hole accretion discs and screened scalar hair

被引：11

作者：

Davis, Anne-Christine ^{[1
]}

Gregory, Ruth ^{[2
,3
]}

Jha, Rahul ^{[1
]}

机构：

[1] Univ Cambridge, Ctr Math Sci, Dept Appl Math & Theoret Phys, Wilberforce Rd, Cambridge CB3 0WA, England

[2] Univ Durham, Ctr Particle Theory, South Rd, Durham DH1 3LE, England

[3] Perimeter Inst, 31 Caroline St North, Waterloo, ON N2L 2Y5, Canada

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2016年 / 10期

基金：

美国国家科学基金会;

关键词：

dark energy theory; GR black holes; modified gravity; PROBE WMAP OBSERVATIONS; TESTS; GRAVITY;

D O I：

10.1088/1475-7516/2016/10/024

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present a novel way to investigate scalar field pro files around black holes with an accretion disc for a range of models where the Compton wavelength of the scalar is large compared to other length scales. By analysing the problem in "Weyl" coordinates, we are able to calculate the scalar pro files for accretion discs in the static Schwarzschild, as well as rotating Kerr, black holes. We comment on observational effects.

引用

页数：18

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