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Greybody factor and quasinormal modes of Regular Black Holes

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arxiv 2009.04386 v1 pith:G2OE4A5D submitted 2020-09-09 gr-qc hep-th

Ángel Rincón , Victor Santos This is my paper · ORCID
classification gr-qchep-th
keywords blackholeanalyzenumberquasinormalregularadditionangular
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abstract

In this work, we investigate the quasinormal frequencies of a class of regular black hole solutions which generalize Bardeen and Hayward spacetimes. In particular, we analyze scalar, vector and gravitational perturbations of the black hole both with the semianalytic WKB method and their time-domain profiles. We analyze in detail the behavior of the spectrum depending on the parameter $p/q$ of the black hole, the quantum number of angular momentum and the $s$ number. In addition, we compare our results with the classical solution valid for $p = q = 1$.

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Cited by 4 Pith papers

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

  1. Quasinormal modes of a quantum inspired black hole in four dimensions with cosmological constant

    gr-qc 2026-07 conditional novelty 6.0 of 10

    Quasinormal frequencies for scalar and Dirac perturbations of a Kazakov-Solodukhin-type quantum black hole with Lambda are computed by WKB and characteristic integration; all modes are stable and the quantum parameter...

  2. $\tt GrayHawk$: A public code for calculating the Gray Body Factors of massless fields around spherically symmetric Black Holes

    gr-qc 2025-02 conditional novelty 6.0 of 10

    A new public Mathematica tool, GrayHawk, computes gray-body factors for massless spin 0, 1/2, 1, and 2 fields around seven spherically symmetric, asymptotically flat black hole metrics.

  3. Energy Extraction and Evolution of Regular Black Holes: The Case of Bardeen Spacetime

    gr-qc 2025-08 reject novelty 4.0 of 10

    A Bardeen regular black hole could evolve into a singular black hole if a charged Penrose process drains its magnetic charge.

  4. Charged black holes in Kalb-Ramond gravity: Weak Deflection Angle, Shadow cast, Quasinormal Modes and Neutrino annihilation

    gr-qc 2025-05 reject novelty 4.0 of 10

    The Kalb-Ramond black hole phenomenology is mostly an extension of known results, and its shadow formula is internally inconsistent, invalidating the EHT-based constraints.

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