Gravitational wave memory in de Sitter spacetime

Gravitational wave memory in de Sitter spacetime
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德西特时空中的引力波存储器

DOI:
10.1103/physrevd.94.064040
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发表时间:
2015
期刊:
影响因子:
5
通讯作者:
S. Yau
S. Yau
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
L. Bieri;D. Garfinkle;S. Yau

文献摘要

被引文献

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我们在源和探测器处于扩展的宇宙学中的情况下检查引力波记忆。为简单起见,我们处理宇宙学是de Sitter时空的情况,并讨论将我们的结果推广到更现实的宇宙学情况的可能性。我们发现结果与引力波记忆在渐近平坦的时空中的结果非常相似,但其影响的大小乘以红移因子。
We examine gravitational wave memory in the case where sources and detector are in an expanding cosmology. For simplicity, we treat the case where the cosmology is de Sitter spacetime, and discuss the possibility of generalizing our results to the case of a more realistic cosmology. We find results very similar to those of gravitational wave memory in an asymptotically flat spacetime, but with the magnitude of the effect multiplied by a redshift factor.