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Quasinormal Modes of Dirty Black Holes

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arxiv gr-qc/9903031 v1 pith:MJICU2T7 submitted 1999-03-08 gr-qc

P.T. Leung , Y. T. Liu , W.-M. Suen , C. Y. Tam , K. Young This is my paper
classification gr-qc
keywords blackgravitationalholeholesquasinormalspectrumaccretionaffects
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Quasinormal mode (QNM) gravitational radiation from black holes is expected to be observed in a few years. A perturbative formula is derived for the shifts in both the real and the imaginary part of the QNM frequencies away from those of an idealized isolated black hole. The formulation provides a tool for understanding how the astrophysical environment surrounding a black hole, e.g., a massive accretion disk, affects the QNM spectrum of gravitational waves. We show, in a simple model, that the perturbed QNM spectrum can have interesting features.

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Cited by 5 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Schr\"odinger perturbation theory for black hole quasinormal modes

    gr-qc 2026-07 conditional novelty 7.0 of 10

    A bilinear-form framework computes black-hole quasinormal-mode frequency shifts to any order, but the mode-sum expansion of the first-order mode shift diverges and needs a continuum piece.

  2. Cascading amplification of gravitational waves triggered by environment in dynamical Chern-Simons gravity

    gr-qc 2026-05 unverdicted novelty 7.0 of 10

    An external dynamical environment forms a resonant cavity with a black hole in dCS gravity that triggers Mathieu instability in the scalar sector, producing cascading amplification of gravitational waves via a delayed...

  3. Dynamical system approach to the spectral (in)stability of black holes under localised potential perturbations

    gr-qc 2026-01 conditional novelty 7.0 of 10

    Black-hole resonances migrate along complex-plane flow lines toward hard-wall attractors, and repellers near the unperturbed modes explain why perturbation theory fails so early.

  4. Reflectionless and echo modes in asymmetric Damour-Solodukhin wormholes

    gr-qc 2025-11 unverdicted novelty 6.0 of 10

    In asymmetric Damour-Solodukhin wormholes, reflectionless and echo modes share asymptotic spectral properties parallel to the real frequency axis with matching spacing, and reflectionless modes lie closer to the axis ...

  5. Two-scalar-field $f(R)$ Thick Branes, Gravitational Resonances and Quasinormal Modes

    hep-th 2026-06 unverdicted novelty 4.0 of 10

    In ghost-free two-scalar f(R) thick branes, internal structure produces no narrow real-axis tensor resonances; quasinormal modes are broad with quality factors 0.9-1.9.

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