期刊
PHYSICAL REVIEW D
卷 89, 期 8, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevD.89.084039
关键词
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资金
- NSF [PHY-0855532, PHY-1205202, DMS-0904760, DMS-1253149]
- National Science Foundation [0932078000]
- Division Of Mathematical Sciences
- Direct For Mathematical & Physical Scien [1253149] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1205202] Funding Source: National Science Foundation
We present a perturbative treatment of gravitational wave memory. The coordinate invariance of Einstein's equations leads to a type of gauge invariance in perturbation theory. As with any gauge invariant theory, results are more clear when expressed in terms of manifestly gauge invariant quantities. Therefore we derive all our results from the perturbed Weyl tensor rather than the perturbed metric. We derive gravitational wave memory for the Einstein equations coupled to a general energy-momentum tensor that reaches null infinity.
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