Superradiant instability of dyonic Reissner-Nordstrom black holes
arXiv:2206.01390 · doi:10.1140/epjc/s10052-022-10911-y
Abstract
We investigate the superradiant instability of dyonic Reissner-Nordström (dRN) black holes with two charges under a charged massive scalar perturbation. Two conditions for possessing a trapping well are obtained from analyzing asymptotic scalar potential and far-region wave functions. It is clear that the superradiant instability is not allowed in the dRN black holes because the conditions for a trapping well are not compatible with the superradiance condition.
arXiv comment22 pages, 8 figures, version to appear in EPJC
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