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

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 investiga...

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Published in:arXiv.org 2006-10
Main Authors: Zhang, Hongsheng, Zong-Hong, Zhu
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Heating
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description 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.
doi_str_mv 10.48550/arxiv.0602579
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title Curvaton reheating mechanism in inflation on warped Dvali-Gabadadze-Porrati brane
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