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Perturbative Approach to the Quasinormal Modes of Dirty Black Holes

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arxiv gr-qc/9903032 v1 pith:RKNH4YJ3 submitted 1999-03-08 gr-qc

P. T. Leung , Y. T. Liu , W.-M. Suen , C. Y. Tam , K. Young This is my paper · ORCID
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keywords blackholemodesperturbationapproachdevelopeddirtyequation
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Using a recently developed perturbation theory for uasinormal modes (QNM's), we evaluate the shifts in the real and imaginary parts of the QNM frequencies due to a quasi-static perturbation of the black hole spacetime. We show the perturbed QNM spectrum of a black hole can have interesting features using a simple model based on the scalar wave equation.

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Cited by 3 Pith papers

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

  1. 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.

  2. 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 ...

  3. Regge poles, grey body factors, and absorption cross sections for black hole metrics with discontinuity

    gr-qc 2025-04 conditional novelty 5.0 of 10

    For black hole metrics with a discontinuity, the low-lying Regge poles remain nearly unchanged at moderate frequencies, which explains why greybody factors and absorption cross sections are stable observables despite ...

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