Quasinormal modes of non-Abelian hyperscaling violating Lifshitz black holes
Date
Authors
BECAR COLLAO, RAMÓN ALENN
Becar, Ramon
Gonzalez, P. A.
Vasquez, Yerko
Becar, Ramon
Gonzalez, P. A.
Vasquez, Yerko
Authors
Date
Datos de publicación:
10.1007/s10714-016-2168-5
Keywords
Quasinormal modes - Hyperscaling - Lifshitz black holes
Collections
Abstract
We study the quasinormal modes of scalar field perturbations in the background of non-Abelian hyperscaling violating Lifshitz black holes. We find that the quasinormal frequencies have no real part so there is no oscillatory behavior in the perturbations, only exponential decay, that is, the system is always overdamped, which guarantees the mode stability of non-Abelian hyperscaling violating Lifshitz black holes. We determine analytically the quasinormal modes for massless scalar fields for a dynamical exponent z = 2 and hyperscaling violating exponent (theta) over tilde > -2. Also, we obtain numerically the quasinormal frequencies for different values of the dynamical exponent and the hyperscaling violating exponent by using the improved asymptotic iteration method.
Description
Keywords
Quasinormal modes , Hyperscaling , Lifshitz black holes
Citation
10.1007/s10714-016-2168-5