Perturbations of plane waves and quadratic quasinormal modes on the lightring
Abstract We study second order gravitational perturbations on plane wave spacetimes from both the metric and curvature perturbation points of view. For the former, we explicitly use the isometries of the background to introduce tensor oscillator harmonics, which render Einstein’s equations algebraic...
Gorde:
| Egile Nagusiak: | , , |
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| Formatua: | Artigo |
| Hizkuntza: | Inglês |
| Argitaratua: |
SpringerOpen
2025-12-01
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| Saila: | Journal of High Energy Physics |
| Gaiak: | |
| Sarrera elektronikoa: | https://doi.org/10.1007/JHEP12(2025)148 |
| Etiketak: |
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