Axial tidal Love numbers for black holes in anisotropic fluid environments are derived analytically and numerically, with non-compact support density profiles producing logarithmic terms that obstruct standard tidal matching due to the lack of a strictly vacuum exterior.
Hernquist, Astrophys
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Spatially resolved λ(r) from the mass-sheet degeneracy quantifies the radial transition in reliability between strong and weak lensing mass reconstructions of galaxy clusters.
A rotating black-hole metric with a dark-matter halo is derived, but the proposed halo profiles do not make the spacetime asymptotically flat as claimed.
LISA can distinguish EMRI waveforms modified by axion-like halos for SNR ≲ 100, probing m_dm ∼ 10^{-17}--10^{-15} eV and f_a ∼ 3×10^{10}--6×10^{12} GeV for M ∼ 10^4--10^5 M_⊙ binaries under NFW densities.
The paper derives modifications to null geodesics, thermodynamic quantities, and scalar perturbations for a Schwarzschild black hole embedded in a Hernquist dark matter halo.
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Axial tidal Love numbers of black holes in matter environments
Axial tidal Love numbers for black holes in anisotropic fluid environments are derived analytically and numerically, with non-compact support density profiles producing logarithmic terms that obstruct standard tidal matching due to the lack of a strictly vacuum exterior.
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Lambda as a Probe of Lensing Consistency
Spatially resolved λ(r) from the mass-sheet degeneracy quantifies the radial transition in reliability between strong and weak lensing mass reconstructions of galaxy clusters.
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A metric solution for rotating black holes embedded in dark matter halos with central spikes
A rotating black-hole metric with a dark-matter halo is derived, but the proposed halo profiles do not make the spacetime asymptotically flat as claimed.
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Impact of the axion-like self-interactions in gravitational atoms for LISA
LISA can distinguish EMRI waveforms modified by axion-like halos for SNR ≲ 100, probing m_dm ∼ 10^{-17}--10^{-15} eV and f_a ∼ 3×10^{10}--6×10^{12} GeV for M ∼ 10^4--10^5 M_⊙ binaries under NFW densities.
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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.