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Type: Artigo de periódico
Title: Quasinormal modes for the Vaidya metric
Author: Abdalla, E
Chirenti, CBMH
Saa, A
Abstract: 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.
Country: EUA
Editor: American Physical Soc
Rights: aberto
Identifier DOI: 10.1103/PhysRevD.74.084029
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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