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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Computes black hole images in Hernquist DM halos across thin-disk and spherical accretion models, finding enlarged critical curves and model-dependent brightness suppression usable for DM constraints.
The paper derives modifications to null geodesics, thermodynamic quantities, and scalar perturbations for a Schwarzschild black hole embedded in a Hernquist dark matter halo.
citing papers explorer
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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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Probing Hernquist dark matter through the optical appearance of black holes: A comprehensive study of various accretions
Computes black hole images in Hernquist DM halos across thin-disk and spherical accretion models, finding enlarged critical curves and model-dependent brightness suppression usable for DM constraints.
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Geodesics and Thermodynamics of a Schwarzschild Black Hole with Hernquist Dark Matter
The paper derives modifications to null geodesics, thermodynamic quantities, and scalar perturbations for a Schwarzschild black hole embedded in a Hernquist dark matter halo.