Curvaton reheating mechanism in inflation on warped Dvali-Gabadadze-Porrati brane

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An impressed feature of inflation on warped Dvali-Gabadadze-Porrati (DGP) brane is that the inflationary phase exits spontaneously for a scalar inflaton field with exponential potential, which presents a graceful exit mechanism for the inflation. But its reheating mechanism leaves open. We investigate the curvaton reheating in inflation on warped DGP brane model. The reheating may occur in effctively 5 dimensional or 4 dimensional stage. We study the permitted parameter space of the curvaton field in detail. We demonstrate how the inflation model of the warped DGP brane is improved by the curvaton mechanism.
10 pages, 7 figures, references added

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Astrophysics, General Relativity and Quantum Cosmology, High Energy Physics - Phenomenology, High Energy Physics - Theory

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http://salesiana.dossiersoluciones.com/handle/123456789/177284

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/astro-ph/0602579
 http://arxiv.org/abs/astro-ph/0602579
 Phys.Lett.B641:405-414,2006
 doi:10.1016/j.physletb.2006.07.055

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arXiv