Quasiattractor in models of new and chaotic inflation

Details Quasiattractor in models of new and chaotic inflation Quasiattractor in models of new and chaotic inflation

2009-05-27

arxiv.org/abs/0905.4353v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages, 2 eps-figures, revtex4, submitted to Gen.Rel.Grav

Scientific paper

Inflation with a scalar-field potential of the form \lambda (\phi^2-v^2)^2 can be described in terms of a parametrical attractor with critical points, whose driftage depends on the control value of the slowly changing Hubble rate. The method allows us to easily obtain theoretical expressions for fluctuations of inhomogeneity in both the cosmic microwave background and distribution of matter. We find the region for admissible values of potential parameters, wherein theoretical predictions are consistent with experimental results within the limits of measurement uncertainties.

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