A rotating black hole in a Dehnen (1,4,γ) halo has its quasibound frequencies shifted by an effective mass scale set by halo parameters, which also lowers the instability threshold and narrows the superradiant window.
Konoplya, Shadow of a black hole surrounded by dark matter, Phys
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Dark matter halo parameters amplify the scale of closed timelike orbits in Schwarzschild spacetime, inducing phase lags in gravitational waves while light curves retain distinguishable peaks for certain orbital features.
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Tuning A Rotating Black Hole Spectrum with Dark Matter Halo: Quasibound States, Scalar Cloud, Black Hole Bomb and Superradiant Scattering
A rotating black hole in a Dehnen (1,4,γ) halo has its quasibound frequencies shifted by an effective mass scale set by halo parameters, which also lowers the instability threshold and narrows the superradiant window.
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Gravitational emissions and light curves of quasi-periodic orbits in Schwarzschild spacetime embedded in a Dehnen-type dark matter halo
Dark matter halo parameters amplify the scale of closed timelike orbits in Schwarzschild spacetime, inducing phase lags in gravitational waves while light curves retain distinguishable peaks for certain orbital features.