Scalar Perturbations of Charged Dilaton Black Holes

Details Scalar Perturbations of Charged Dilaton Black Holes Scalar Perturbations of Charged Dilaton Black Holes

2003-12-03

arxiv.org/abs/hep-th/0312041v2

Gen.Rel.Grav. 36 (2004) 1805-1819

Physics

High Energy Physics

High Energy Physics - Theory

14 pages, 13 figures, typos corrected; accepted to be published in Gen.Rel.Grav. vol(36)

Scientific paper

10.1023/B:GERG.0000035953.31652.

We have studied the scalar perturbation of static charged dilaton black holes in 3+1 dimensions. The black hole considered here is a solution to the low-energy string theory in 3+1 dimensions. The quasinormal modes for the scalar perturbations are calculated using the WKB method. The dilaton coupling constant has a considerable effect on the values of quasi normal modes. It is also observed that there is a linear relation between the quasi normal modes and the temperature for large black holes.

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