Astronomy and Astrophysics – Astrophysics – General Relativity and Quantum Cosmology
Scientific paper
2010-12-22
J.Phys.Conf.Ser.314:012086,2011
Astronomy and Astrophysics
Astrophysics
General Relativity and Quantum Cosmology
4 pages. Prepared for the proceedings of the Spanish Relativity meeting (ERE2010), Granada, Spain, September 6-10, 2010
Scientific paper
10.1088/1742-6596/314/1/012086
The scalar wave equation is considered in the background of a charged Vaidya metric in double null coordinates $(u,v)$ describing a non-stationary charged black hole with varying mass $m(v)$ and charge $q(v)$. The resulting time-dependent quasinormal modes are presented and analyzed. We show, in particular, that it is possible to identify some signatures in the quasinormal frequencies from the creation of a naked singularity.
Chirenti Cecilia
Saa Alberto
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