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Conditions for superradiant instability of the Kerr-Newman black holes

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arxiv 2204.06750 v3 pith:FN5J4GNQ submitted 2022-04-14 gr-qc hep-th

Yun Soo Myung This is my paper
classification gr-qchep-th
keywords blackholessuperradiantconditionsinstabilitykerr-newmanconditionfind
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We find two conditions for superradiant instability of Kerr-Newman black holes under a charged massive scalar perturbation by analyzing asymptotic scalar potential and far-region wave function. Actually, they correspond to the condition for getting a trapping well. Also, we obtain the conditions for superradiant stability of Kerr-Newman black holes which states that there is no trapping well. The analysis is applied to Kerr black holes to find a condition for superradiant instability.

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Cited by 2 Pith papers

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

  1. Exact Regions of Superradiant Instability of Kerr-Newman Black Holes and Massive Scalar Fields

    gr-qc 2025-10 conditional novelty 6.0 of 10

    Superradiant instability of Kerr-Newman black holes is confined to μ > qQ/M and below an analytically determined boundary that disagrees with older numerics.

  2. Thermodynamics of FLRW universe in Quadratic Gravity

    gr-qc 2025-07 reject novelty 5.0 of 10

    Quadratic-gravity terms are claimed to shift the thermodynamic phase structure of the FLRW apparent horizon, but the printed critical-radius formula does not follow from the paper's own equation of state.

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