WKB method and quasinormal modes of string-theoretical d-dimensional black holes

Abstract

After a brief introduction to quasinormal modes in dissipative systems, we review the WKB formalism in the context of the analytical calculation of quasinormal frequencies. We apply these results to the calculation of quasinormal frequencies associated with gravitational perturbations of d-dimensional spherically symmetric black holes with string corrections. We do this for two distinct limits: the eikonal limit and the asymptotic limit.

arXiv comment25 pages, 5 figures. Lecture presented at 11th Aegean Summer School

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