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Electromagnetic absorption cross section of Reissner-Nordstroumlm black holes revisited

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JournalPhysical review d
DatePublished - 17 Nov 2009
Issue number10
Volume80
Number of pages8
Original languageEnglish

Abstract

The absorption cross section of Reissner-Nordstroumlm black holes for the electromagnetic field is computed numerically for arbitrary frequencies, taking into account the coupling of the electromagnetic and gravitational perturbations. We also compute the conversion coefficients of electromagnetic to gravitational waves by scattering from a Reissner-Nordstroumlm black hole.

    Research areas

  • GAUGE-INVARIANT PERTURBATIONS, SYMMETRIC SPACE-TIMES, ELECTROVACUUM GEOMETRIES, SCATTERING, RADIATION, CONVERSION, STABILITY

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