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Quasi-normal modes of charged, dilaton black holes
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Quasi-normal modes of charged, dilaton black holes
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In this paper we study the perturbations of the charged, dilaton black hole, described by the solution of the low energy limit of the superstring action found by Garfinkle, Horowitz and Strominger. We compute the complex frequencies of the quasi-normal modes of this black hole, and compare the results with those obtained for a Reissner-Nordstr\"{o}m and a Schwarzschild black hole. The most remarkable feature which emerges from this study is that the presence of the dilaton breaks the \emph{isospectrality} of axial and polar perturbations, which characterizes both Schwarzschild and Reissner-Nordstr\"{o}m black holes.
Forward citations
Cited by 2 Pith papers
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Thermal Stability and QNMs of a Hairy Black Hole in the Presence of a Monopole Field
Generalized GHS-GM black hole with dilaton and monopole shows thermal stability increasing as scalar charge decreases and QNMs damping as black hole charge increases.
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Quasinormal modes of black holes: from astrophysics to string theory
This review surveys calculations and interpretations of quasinormal modes for black holes in astrophysics, higher dimensions, and holographic duals without presenting new results.
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