The Curvaton Hypothesis and the eta-problem of Quintessential Inflation, with and without Branes

Details The Curvaton Hypothesis and the eta-problem of Quintessential Inflation, with and without Branes The Curvaton Hypothesis and the eta-problem of Quintessential Inflation, with and without Branes

2002-12-11

arxiv.org/abs/astro-ph/0212264v1

Phys.Rev. D68 (2003) 123506

Astronomy and Astrophysics

Astrophysics

39 pages, Latex, 5 figures

Scientific paper

10.1103/PhysRevD.68.123506

It is argued why, contrary to expectations, steep brane-inflation cannot really help in overcoming the eta-problem of quintessential inflation model-building. In contrast it is shown that the problem is substantially ameliorated under the curvaton hypothesis. This is quantified by considering possible modular quintessential inflationary models in the context of both standard and brane cosmology.

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