Analytical proof establishes universality of late-time ringdown tails for any effective potential decaying as 1/r², with different power-law behavior for 1/r^α (1<α<2), covering charged black holes, Kerr, exotic objects, modified gravity, and environmental matter distributions.
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Greybody factors for Proca fields in Schwarzschild spacetime are computed via decoupled master equations, revealing a low-mass regime in even-parity vector mode where transmission exceeds the massless case and lower transmission than massive scalars in the even-parity scalar mode.
Quasinormal modes are eigenmodes of dissipative gravitational systems whose spectra encode near-equilibrium transport coefficients in dual quantum field theories and enable tests of general relativity through gravitational wave observations.
citing papers explorer
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On the universality of late-time ringdown tail
Analytical proof establishes universality of late-time ringdown tails for any effective potential decaying as 1/r², with different power-law behavior for 1/r^α (1<α<2), covering charged black holes, Kerr, exotic objects, modified gravity, and environmental matter distributions.
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Greybody factors of Proca fields in Schwarzschild spacetime: A supplemental analysis based on decoupled master equations related to the Frolov-Krtou\v{s}-Kubiz\v{n}\'ak-Santos separation
Greybody factors for Proca fields in Schwarzschild spacetime are computed via decoupled master equations, revealing a low-mass regime in even-parity vector mode where transmission exceeds the massless case and lower transmission than massive scalars in the even-parity scalar mode.
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Quasinormal modes of black holes and black branes
Quasinormal modes are eigenmodes of dissipative gravitational systems whose spectra encode near-equilibrium transport coefficients in dual quantum field theories and enable tests of general relativity through gravitational wave observations.