Scalar Perturbations of Charged Dilaton Black Holes |
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Authors: | Sharmanthie Fernando Keith Arnold |
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Institution: | 1. Department of Physics & Geology, Northern Kentucky University, Highland Heights, Kentucky, 41099, USA
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Abstract: | 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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