Phys. Rev. D 74, 084029 (2006) [6 pages]Quasinormal modes for the Vaidya metricReceived 9 September 2006; published 25 October 2006 We consider here scalar and electromagnetic perturbations for the Vaidya metric in double-null coordinates. Such an approach allows one to go a step further in the analysis of quasinormal modes for time-dependent spacetimes. Some recent results are refined, and a new nonstationary behavior corresponding to some sort of inertia for quasinormal modes is identified. Our conclusions can enlighten some aspects of the wave scattering by black holes undergoing some mass accretion processes. © 2006 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevD.74.084029
DOI:
10.1103/PhysRevD.74.084029
PACS:
04.30.Nk, 04.40.Nr, 04.70.Bw
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