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Impact of cosmic neutrinos on the gravitational-wave background
We obtain the equation governing the evolution of the cosmological gravitational-wave background, accounting for the presence of cosmic neutrinos, up to second order in perturbation theory. In particular, we focus on the epoch during radiation dominance, after neutrino decoupling, when neutrinos yie...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
2008
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.78.083517 http://cds.cern.ch/record/1105615 |