Quasinormal modes of four-dimensional topological nonlinear charged Lifshitz black holes

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Autor:
Becar, Ramon - Gonzalez, P. A. - Vasquez, Yerko
URI:
http://repositoriodigital.uct.cl/handle/10925/3583
Datos de publicación:
EUROPEAN PHYSICAL JOURNAL C,Vol.76,,2016
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Resumen:
We study scalar perturbations of four-dimensional topological nonlinear charged Lifshitz black holes with spherical and plane transverse sections, and we find numerically the quasinormal modes for scalar fields. Then we study the stability of these black holes under massive and massless scalar field perturbations. We focus our study on the dependence of the dynamical exponent, the nonlinear exponent, the angular momentum, and the mass of the scalar field in the modes. It is found that the modes are overdamped, depending strongly on the dynamical exponent and the angular momentum of the scalar field for a spherical transverse section. In contrast, for plane transverse sections the modes are always overdamped.

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