On the quasinormal modes of the de Sitter spacetime [PDF]
A. Lopez-OrtegaModifying a method by Horowitz and Hubeny for asymptotically anti-de Sitter black holes, we establish the classical stability of the quasinormal modes of the de Sitter spacetime. Furthermore using a straightforward method we calculate the de Sitter quasinormal frequencies of the gravitational perturbations and discuss some properties of the radial functions of these quasinormal modes.View original: http://arxiv.org/abs/1207.6791
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