Superradiant Instability of Five-Dimensional Rotating Charged AdS Black Holes

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dc.creatorAliev, Alikram N.
dc.creatorDelice, Özgür
dc.date2008-08-03
dc.date2009-02-16
dc.date.accessioned2026-07-07T12:51:14Z
dc.date.available2026-07-07T12:51:14Z
dc.descriptionWe study the instability of small AdS black holes with two independent rotation parameters in minimal five-dimensional gauged supergravity to massless scalar perturbations. We analytically solve the Klein-Gordon equation for low-frequency perturbations in two regions of the spacetime of these black holes: namely, in the region close to the horizon and in the far-region. By matching the solutions in an intermediate region, we calculate the frequency spectrum of quasinormal modes. We show that in the regime of superradiance only the modes of even orbital quantum number undergo negative damping, resulting in exponential growth of the amplitude. That is, the black holes become unstable to these modes. Meanwhile, the modes of odd orbital quantum number do not undergo any damping, oscillating with frequency-shifts. This is in contrast with the case of four-dimensional small Kerr-AdS black holes which exhibit the instability to all modes of scalar perturbations in the regime of superradiance.
dc.description24 pages, REVTeX; Minor changes, matching published version
dc.identifierhttps://arxiv.org/abs/0808.0280
dc.identifierhttp://arxiv.org/abs/0808.0280
dc.identifierPhys.Rev.D79:024013,2009
dc.identifierdoi:10.1103/PhysRevD.79.024013
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/222928
dc.subjectHigh Energy Physics - Theory
dc.subjectGeneral Relativity and Quantum Cosmology
dc.titleSuperradiant Instability of Five-Dimensional Rotating Charged AdS Black Holes
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