Odd-parity ringdown gravitational waves of a spherically symmetric black hole with perfect fluid accretion

arXiv:2607.03231 · gr-qc, astro-ph.HE, hep-th · Submitted 2026-07-03 · Read on arXiv

Rikuto Ohashi, Yasutaka Koga, Hiroyuki Nakano, Kota Ogasawara, Chul-Moon Yoo

gr-qc, astro-ph.HE, hep-th

Submitted: 2026-07-03

Comments: 37 pages, 28 figures, 7 tables, references added

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

• Accuracy — 5× in this paper · explained in 1 episode
• Accretion Flows — 2× in this paper · explained in 1 episode
• Consistency — 2× in this paper · explained in 3 episodes
• Benchmark — 1× in this paper · explained in 2 episodes
• Decoupling — 1× in this paper · explained in 2 episodes
• Equation of State (EoS) — 1× in this paper · explained in 4 episodes
• Non-stationarity — 1× in this paper · explained in 2 episodes
• Redundancy — 1× in this paper · explained in 2 episodes

Sources

• GWTC-4.0: Tests of General Relativity. III. Tests of the Remnants
• Quasinormal modes and tidal responses of black holes in generic anisotropic matter environments
• When the Ringing Stops: Purely Imaginary Modes in the Ringdown Spectrum of Dynamical Black Holes

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