Perturbative Approach to the Quasinormal Modes of Dirty Black Holes

Abstract

Using a recently developed perturbation theory for uasinormal modes (QNM's), we evaluate the shifts in the real and imaginary parts of the QNM frequencies due to a quasi-static perturbation of the black hole spacetime. We show the perturbed QNM spectrum of a black hole can have interesting features using a simple model based on the scalar wave equation.

Published in PRD

References in corpus (2)

• Quasinormal Modes of Dirty Black Holes
• Logarithmic perturbation theory for quasinormal modes

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