Gravitational waves and their memory in general relativity

Lydia Bieri David Garfinkle Shing-Tung Yau

Theoretical Physics mathscidoc:1912.43628

arXiv preprint arXiv:1505.05213, 2015.5
General relativity explains gravitational radiation from binary black hole or neutron star mergers, from core-collapse supernovae and even from the inflation period in cosmology. These waves exhibit a unique effect called memory or Christodoulou effect, which in a detector like LIGO or LISA shows as a permanent displacement of test masses and in radio telescopes like NANOGrav as a change in the frequency of pulsars' pulses. It was shown that electromagnetic fields and neutrino radiation enlarge the memory. Recently it has been understood that the two types of memory addressed in the literature aslinear'andnonlinear'are in fact two different phenomena. The former is due to fields that do not and the latter is due to fields that do reach null infinity.
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@inproceedings{lydia2015gravitational,
  title={Gravitational waves and their memory in general relativity},
  author={Lydia Bieri, David Garfinkle, and Shing-Tung Yau},
  url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204542883150192},
  booktitle={arXiv preprint arXiv:1505.05213},
  year={2015},
}
Lydia Bieri, David Garfinkle, and Shing-Tung Yau. Gravitational waves and their memory in general relativity. 2015. In arXiv preprint arXiv:1505.05213. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224204542883150192.
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