Journal
GENERAL RELATIVITY AND GRAVITATION
Volume 37, Issue 3, Pages 585-604Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10714-005-0044-9
Keywords
static; charged; black holes; Born-Infeld; quasinormal modes
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Born - Infeld electrodynamics has attracted considerable interest due to its relation to strings and D-branes. In this paper the gravitational perturbations of electrically charged black holes in Einstein - Born - Infeld gravity are studied. The effective potentials for axial perturbations are derived and discussed. The quasi normal modes for the gravitational perturbations are computed using a WKB method. The modes are compared with those of the Reissner - Nordstrom black hole. The relation of the quasi normal modes with the non-linear parameter and the spherical index are also investigated. Comments on stability of the black hole and on future directions are made.
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