Approach to exact inflation in modified Friedmann equation

We study inflationary universe models that are characterized by a single scalar inflaton field. The study of these models are based on two dynamical equations; one corresponding to the Klein-Gordon equation for the inflaton field, and the other, to a generalized Friedmann equation. After describing...

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Veröffentlicht in:Journal of cosmology and astroparticle physics 2012-12, Vol.2012 (12), p.1-21
1. Verfasser: del Campo, Sergio
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description We study inflationary universe models that are characterized by a single scalar inflaton field. The study of these models are based on two dynamical equations; one corresponding to the Klein-Gordon equation for the inflaton field, and the other, to a generalized Friedmann equation. After describing the kinematics and dynamics of the models, we determine in some detail scalar density perturbations and relic gravitational waves. We apply this approach to the Friedmann-Chern-Simons and the brane-world inflationary models.
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subjects ASTROPHYSICS, COSMOLOGY AND ASTRONOMY
BRANES
COSMOLOGY
DENSITY
GRAVITATIONAL WAVES
Inflation
INFLATIONARY UNIVERSE
INFLATONS
KLEIN-GORDON EQUATION
Mathematical analysis
Mathematical models
Perturbation methods
PERTURBATION THEORY
SCALARS
Universe
title Approach to exact inflation in modified Friedmann equation
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