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Superradiant Amplification of a Scalar Wave Coupled Kinematically to Curvature Scattered off a Reissner-Nordstr\"om Black Hole

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arxiv 1702.04618 v2 pith:GXE5FBUA submitted 2017-02-15 gr-qc hep-th

classification gr-qchep-th
keywords reissner-nordstrwaveblackcoupledcouplingholekinematicallyscalar
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We study the dynamics of a massive charged scalar wave which except its canonical coupling to gravity it is also coupled kinematically to Einstein tensor. We find that as the strength of the new coupling is increased the scattered wave off the horizon of a Reissner-Nordstr\"om black hole is superradiantly amplified resulting to the instability of the Reissner-Nordstr\"om spacetime.

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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. Strong Cosmic Censorship in Horndeski Theory

    gr-qc 2019-08 conditional novelty 6.0 of 10

    For scalar fields with non-minimal derivative coupling on Reissner-Nordström-de Sitter black holes, strong cosmic censorship is violated only when the ratio β exceeds 3/2 instead of 1/2, and small near-extremal black ...

  2. Superradiant instability of charged scalar fields in higher-dimensional Reissner-Nordstr\"om-de Sitter black holes

    gr-qc 2019-08 conditional novelty 5.0 of 10

    Charged scalar perturbations of higher-dimensional Reissner-Nordström-de Sitter black holes are superradiantly unstable, with the growth rate increasing with spacetime dimension.

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