Gravitational waves during inflation in presence of a decaying cosmological parameter from a 5D vacuum theory of gravity

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We study gravitational waves generated during the inflationary epoch in presence of a decaying cosmological parameter on a 5D geometrical background which is Riemann flat. Two examples are considered, one with a constant cosmological parameter and the second with a decreasing one.
accepted in Phys. Lett. B

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General Relativity and Quantum Cosmology, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/194420

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/gr-qc/0703156
 http://arxiv.org/abs/gr-qc/0703156
 Phys.Lett.B649:343-348,2007
 doi:10.1016/j.physletb.2007.04.043

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