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Quantum corrected black holes: testing the correspondence between grey-body factors and quasinormal modes

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arxiv 2411.06007 v1 pith:SOBYIRUF submitted 2024-11-08 gr-qc

classification gr-qc
keywords factorsgrey-bodycorrespondenceblackmodelscorrectionsholesmodes
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Grey-body factors and quasinormal modes are two distinct characteristics of radiation near black holes, each associated with different boundary conditions. Nevertheless, a correspondence exists between them, which we use to calculate the grey-body factors of three recently constructed quantum-corrected black hole models. Our findings demonstrate that the grey-body factors are significantly influenced by the quantum corrections for some of the models under consideration, and the correspondence holds with reasonable accuracy across all three models. We confirm that the grey-body factors are less sensitive to the near-horizon corrections of the spacetime, because the grey-body factors are reproduced via the correspondence using only the fundamental mode and the first overtone.

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Cited by 9 Pith papers

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

  1. Spectrum instability and greybody factor stability for parabolic approximation of Regge-Wheeler potential

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    Replacing the Regge-Wheeler potential by piecewise parabolas makes quasinormal-mode spectra unstable, with long-lived overtones, while greybody factors stay close to the exact Schwarzschild result.

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    gr-qc 2025-02 conditional novelty 6.0 of 10

    For a quantum-corrected spacetime, the fundamental quasinormal mode differs little from Schwarzschild, higher overtones deviate significantly, and wormhole states have extremely long-lived modes.

  3. Hawking Emission from Black Holes Evaporating toward Wormholes and the Accuracy of the WKB Approximation

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  4. Wave and particle probes of a regular T-duality-inspired black hole with gravitational self-energy

    gr-qc 2026-07 conditional novelty 4.0 of 10

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  7. Long-lived quasinormal modes and grey-body factors of supermassive black holes with a dark matter halo

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    Massive scalar fields around a Schwarzschild black hole with a dark matter halo ring longer as field mass grows, while realistic halo parameters leave quasinormal frequencies and grey-body factors almost unchanged.

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  9. Gravitational Quasinormal Modes and Grey-Body Factors of Bonanno-Reuter Regular Black Holes

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    For the Bonanno-Reuter quantum-corrected black hole, gravitational quasinormal modes and grey-body factors deviate from Schwarzschild only at small masses and small interpolation parameter, recovering the classical re...

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