期刊
CLASSICAL AND QUANTUM GRAVITY
卷 18, 期 7, 页码 1311-1318出版社
IOP PUBLISHING LTD
DOI: 10.1088/0264-9381/18/7/313
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It is well known that waves propagating in a non-trivial medium develop 'tails'. However, the exact form of the late-time tail has so far been determined only for a narrow class of models. We present a systematic analysis of the tail phenomenon for waves propagating under the influence of a general, spherically symmetric scattering potential. It is shown that, generically, the late-time tail is determined by spatial derivatives of the potential. The analytical results are confirmed by numerical calculations.
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