GRAVITY-WAVES IN VACUUM AND IN MEDIA - THE WAVE-EQUATION, THE ROLE OF NONLINEARITY, THE STRESS ENERGY TENSOR AND THE LOW-FREQUENCY CUTOFF

被引：10
|
作者：
EFROIMSKY, M
机构：
[1] Mathematical Institute, University of Oxford, Oxford OX1 3LB
来源：
CLASSICAL AND QUANTUM GRAVITY | 1992年 / 9卷 / 12期
关键词：
D O I：
10.1088/0264-9381/9/12/005
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The gravity waves stress-energy tensor in arbitrary media, on an arbitrary curved background, is derived and studied. The natural low-frequency cut-off is introduced and is shown to depend on the peculiarities of the observer only. The wave equation for weak gravity oscillations is written down with two non-linear next-after-leading-order terms. The role of non-linearity is discussed.
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页码：2601 / 2614
页数：14
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