Journal
CLASSICAL AND QUANTUM GRAVITY
Volume 34, Issue 21, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6382/aa8b52
Keywords
gravitational wave; memory; cosmology
Categories
Funding
- NSF [DMS-1253149, PHY-1505565]
- NSF CAREER Grant [PHY-1250636]
- NASA grant [NNX16AB98G]
- NASA [907622, NNX16AB98G] Funding Source: Federal RePORTER
- Direct For Mathematical & Physical Scien
- Division Of Mathematical Sciences [1253149] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1250636] Funding Source: National Science Foundation
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We examine gravitational wave memory in the case where sources and detector are in Lambda CDM cosmology. We consider the case where the Universe can be highly inhomogeneous, but gravitational radiation is treated in the short wavelength approximation. We find results very similar to those of gravitational wave memory in an asymptotically flat spacetime; however, the overall magnitude of the memory effect is enhanced by a redshift-dependent factor. In addition, we find the memory can be affected by lensing.
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