Quasinormal modes for asymptotic safe black holes
arXiv:1205.4792 · doi:10.1088/0264-9381/29/14/145009
Abstract
Under the hypothesis of asymptotic safety of gravity, the static, spherically symmetric black hole solutions in the infrared limit are corrected by non-perturbative effects. Specifically, the metric is modified by the running of gravitational couplings. In this work, we investigate the effects of this correction to the quasinormal modes (QNMs) of a test scalar field propagating in this kind of black hole background analytically and numerically. It is found that although the quasi-period frequencies and the damping of oscillations are respectively enhanced and weakened by the quantum correction term, the stability of the black hole remains.
11 pages, 1 figures, accepted for publication in CQG. arXiv admin note: text overlap with arXiv:1007.1317
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