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Symmetries of Asymptotically Flat Four-Dimensional Spacetimes at Null Infinity Revisited
Open accessAbstract
It is shown that the symmetry algebra of asymptotically flat spacetimes at null infinity in 4 dimensions should be taken as the semidirect sum of supertranslations with infinitesimal local conformal transformations and not, as usually done, with the Lorentz algebra. As a consequence, two-dimensional conformal field theory techniques will play as fundamental a role in this context of direct physical interest as they do in three-dimensional anti-de Sitter gravity.
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Cites
Gravitational waves in general relativity, VII. Waves from axi-symmetric isolated system
Bondi, H., Van der Burg, M. G. J., & Metzner, A. W. K. (1962) · Proceedings of the Royal Society of London. Series A. Mathematical and Physical Sciences · doi:10.1098/rspa.1962.0161 · Cited by 2,426
Cited by
Semiclassical Virasoro symmetry of the quantum gravity S $$ \mathcal{S} $$ -matrix
Kapec, D., Lysov, V., Pasterski, S., & Strominger, A. (2014) · Journal of High Energy Physics · doi:10.1007/jhep08(2014)058 · Cited by 364
Flat space holography and the complex Sachdev-Ye-Kitaev model
Afshar, H., González, H. A., Grumiller, D., & Vassilevich, D. (2020) · Physical Review D · doi:10.1103/physrevd.101.086024 · Cited by 76
“[53] G.”
Tahura, S., Nichols, D. A., Saffer, A., Stein, L. C., & Yagi, K. (2021) · Physical Review D · doi:10.1103/physrevd.103.104026 · Cited by 52
Metadata
- Authors
- Barnich, G., & Troessaert, C.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2010-09-08
- Volume
- 105
- Issue
- 11
- Pages
- 111103-111103
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2000955484
- Cited by
- 568
- References
- 1
- FWCI
- 2.62
- Type
- journal article
- Language
- en
- Open access
- green
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