Wave Tails in Time Dependent Backgrounds

Details Wave Tails in Time Dependent Backgrounds Wave Tails in Time Dependent Backgrounds

2002-01-07

arxiv.org/abs/gr-qc/0201017v1

Phys.Rev. D66 (2002) 024001

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

4 pages, 2 figures

Scientific paper

10.1103/PhysRevD.66.024001

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 {\it 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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