Quasinormal modes for the Vaidya metric

被引：32
作者：
Abdalla, Elcio
Chirenti, Cecilia B. M. H.
Saa, Alberto
机构：
[1] Univ Sao Paulo, Inst Fis, BR-05315970 Sao Paulo, Brazil
[2] Univ Estadual Campinas, Dept Matemat Aplicada, BR-13083859 Campinas, SP, Brazil
来源：
PHYSICAL REVIEW D | 2006年 / 74卷 / 08期
关键词：
D O I：
10.1103/PhysRevD.74.084029
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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.
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页数：6
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