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Quantum corrected black holes: quasinormal modes, scattering, shadows

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arxiv 1912.10582 v2 pith:7QHEHE5M submitted 2019-12-23 gr-qc astro-ph.HEhep-th

Quantum corrected black holes: quasinormal modes, scattering, shadows

R. A. Konoplya This is my paper
classification gr-qc astro-ph.HEhep-th
keywords modesquasinormalquantumblackdeformationshadowanalyticalanalyze
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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The spherically symmetric deformation of the Schwarzschild solution owing to the quantum corrections to gravity is known as Kazakov-Solodukhin black-hole metric. Neglecting non-spherical deformations of the background the problem was solved non-perturbatively. Here we analyze the basic characteristics of this geometry, such as: quasinormal modes and grey-body factors of fields of various spin and shadow cast by this black hole. The WKB approach and time-domain integration method, which we used for calculation of quasinormal modes, are in a good concordance. The analytical formula for quasinormal modes is deduced in the eikonal regime. The radius of shadow is decreasing when the quantum deformation is turned on.

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Cited by 6 Pith papers

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

  1. Grey-body factors of higher dimensional regular black holes in quasi-topological theories

    gr-qc 2026-01 unverdicted novelty 5.0

    Higher dimensional regular black holes in quasi-topological gravity have suppressed grey-body factors and Hawking radiation compared to singular black holes in general relativity.

  2. Observational Constraints on Kazakov-Solodukhin Quantum-Deformed Black Holes from M87$^*$ and Sgr A$^*$ Shadows

    gr-qc 2026-07 conditional novelty 4.0

    EHT shadow sizes of M87* and Sgr A* constrain the Kazakov-Solodukhin deformation parameter η to O(1) ranges while the metric remains asymptotically Schwarzschild.

  3. A First-Order Eikonal Framework for Quasinormal Modes, Shadows, Strong Lensing, and Grey-Body Factors in a Scalarized Black-Hole Metric

    gr-qc 2026-04 unverdicted novelty 4.0

    Derives closed first-order eikonal expressions that connect a scalarized black-hole metric to quasinormal frequencies, shadows, strong deflection, and transmission probabilities.

  4. A First-Order Eikonal Framework for Quasinormal Modes, Shadows, Strong Lensing, and Grey-Body Factors in a Scalarized Black-Hole Metric

    gr-qc 2026-04 unverdicted novelty 4.0

    First-order eikonal formulas connect a scalarized black-hole metric to quasinormal modes, shadows, strong lensing, and grey-body factors via photon-sphere invariants in the weak-hair limit.

  5. Grey-body factors of higher dimensional regular black holes in quasi-topological theories

    gr-qc 2026-01 unverdicted novelty 4.0

    Higher-dimensional regular black holes in quasi-topological gravity exhibit significantly suppressed grey-body factors and Hawking evaporation compared to singular black holes in general relativity.

  6. Telling tails and quasi-resonances in the vicinity of Dymnikova regular black hole

    gr-qc 2026-01 unverdicted novelty 4.0

    Massive scalar perturbations on the Dymnikova regular black hole exhibit growing oscillation frequencies, reduced damping rates leading to quasi-resonances, power-law oscillatory tails, and mass-dependent suppression ...