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arxiv: gr-qc/0606110 · v1 · submitted 2006-06-26 · 🌀 gr-qc

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Quasinormal frequencies of D-dimensional Schwarzschild black holes: evaluation via continued fraction method

Andrzej Rostworowski
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classification 🌀 gr-qc
keywords methodschwarzschildblackcontinuedfrequenciesconditiond-dimensionaldimensions
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We adopt Leaver's method to determine quasi normal frequencies of the Schwarzschild black hole in higher (D >= 10) dimensions. In D-dimensional Schwarzschild metric, when D increases, more and more singularities, spaced uniformly on the unit circle |r|=1, approach the horizon at r = r_h = 1. Thus, a solution satisfying the outgoing wave boundary condition at the horizon must be continued to some mid point and only then the continued fraction condition can be applied. This prescription is general and applies to all cases for which, due to regular singularities on the way from the point of interest to the irregular singularity, Leaver's method in its original setting breaks down. We illustrate the method calculating gravitational vector and tensor quasinormal frequencies of the Schwarzschild black hole in D=11 and D=10 dimensions. We also give the details for the D=9 case, considered in gr-qc/0511064.

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