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Quasinormal modes for the Vaidya metric
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Quasinormal modes for the Vaidya metric
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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 non-stationary 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.
Forward citations
Cited by 3 Pith papers
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Quasinormal Ringdown and Echoes in Accreting Exotic Compact Objects
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