Inflation Dynamics and Reheating

Details Inflation Dynamics and Reheating Inflation Dynamics and Reheating

2005-07-27

arxiv.org/abs/astro-ph/0507632v2

Rev.Mod.Phys.78:537-589,2006

Astronomy and Astrophysics

Astrophysics

51 pages, latex, 16 figures, version to appear in Reviews of Modern Physics

Scientific paper

10.1103/RevModPhys.78.537

We review the theory of inflation with single and multiple fields paying particular attention to the dynamics of adiabatic and entropy/isocurvature perturbations which provide the primary means of testing inflationary models. We review the theory and phenomenology of reheating and preheating after inflation providing a unified discussion of both the gravitational and nongravitational features of multi-field inflation. In addition we cover inflation in theories with extra dimensions and models such as the curvaton scenario and modulated reheating which provide alternative ways of generating large-scale density perturbations. Finally we discuss the interesting observational implications that can result from adiabatic-isocurvature correlations and non-Gaussianity.

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