Black hole accretion discs and screened scalar hair
classification
🌀 gr-qc
astro-ph.COhep-th
keywords
scalaraccretionblackdiscsholesprofilesableanalysing
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We present a novel way to investigate scalar field profiles 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 profiles for accretion discs in the static Schwarzschild, as well as rotating Kerr, black holes. We comment on observational effects.
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Cited by 1 Pith paper
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Mass-Varying Dark Matter Induced Scalarization and Scalar Clouds around Black Holes
Scalar clouds around black holes in mass-varying dark matter halos exist only for quantized scalar-dark matter couplings set by halo parameters such as compactness.
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