Wave tails in time-dependent backgrounds

被引：29
|
作者：
Hod, S [1 ]
机构：
[1] Weizmann Inst Sci, Dept Condensed Matter Phys, IL-76100 Rehovot, Israel
来源：
PHYSICAL REVIEW D | 2002年 / 66卷 / 02期
关键词：
D O I：
10.1103/PhysRevD.66.024001
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
It is well known that waves propagating under the influence of a scattering potential develop "tails." However, the study of late-time tails has so far been restricted to time-independent backgrounds. In this paper, we explore the late-time evolution of spherical waves propagating under the influence of a time-dependent scattering potential. It is shown that the tail structure is modified due to the temporal dependence of the potential. The analytical results are confirmed by numerical calculations.
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页数：4
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