From pp-Waves to Galilean Spacetimes
We exhibit all spatially isotropic homogeneous Galilean spacetimes of dimension (𝑛 + 1) ≥ 4, including the novel torsional ones, as null reductions of homogeneous pp-wave spacetimes. We also show that the pp-waves are sourced by pure radiation fields and analyse their global properties.
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| Veröffentlicht in: | Symmetry, Integrability and Geometry: Methods and Applications |
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| Datum: | 2023 |
| Hauptverfasser: | , , |
| Format: | Artikel |
| Sprache: | Englisch |
| Veröffentlicht: |
Інститут математики НАН України
2023
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| Online Zugang: | https://nasplib.isofts.kiev.ua/handle/123456789/211908 |
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| Назва журналу: | Digital Library of Periodicals of National Academy of Sciences of Ukraine |
| Zitieren: | From pp-Waves to Galilean Spacetimes. José Figueroa-O'Farrill, Ross Grassie and Stefan Prohazka. SIGMA 19 (2023), 035, 16 pages |