Modeling Quintessential Inflation

Details Modeling Quintessential Inflation Modeling Quintessential Inflation

2001-11-21

arxiv.org/abs/astro-ph/0111417v1

Astropart.Phys.18:287-306,2002

Astronomy and Astrophysics

Astrophysics

34 pages, LaTeX, 4 figures

Scientific paper

10.1016/S0927-6505(02)00115-9

We develop general criteria to construct unified frameworks for inflation and quintessence which employ a unique scalar field to drive both. By using such a minimal theoretical framework we avoid having to fine-tune couplings and mass-scales. In particular the initial conditions for quintessence are already fixed at the end of the inflationary epoch. We provide concrete realizations of the method which meet all inflationary and quintessence requirements, such as the COBE normalization and the resulting spectral index n = 0.97, which is in excellent agreement with the latest CMB data.

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