A spherical black hole immersed in perfect-fluid dark matter becomes unstable to scalar hair for negative Gauss-Bonnet coupling when its dark matter parameter b/M is above 1.86287.
Revisiting perfect fluid dark matter: Observational constraints from our galaxy
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We revisit certain features of an assumed spherically symmetric perfect fluid dark matter halo in the light of the observed data of our galaxy
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gr-qc 1years
2025 1verdicts
CONDITIONAL 1representative citing papers
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Dark-Matter Induced Scalarization of Black Holes in Extended Scalar-Tensor-Gauss-Bonnet Theories
A spherical black hole immersed in perfect-fluid dark matter becomes unstable to scalar hair for negative Gauss-Bonnet coupling when its dark matter parameter b/M is above 1.86287.