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Quasiattractor in models of new and chaotic inflation

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Abstract

Inflation with a scalar-field potential of the form λ (φ 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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Authors and Affiliations

  1. Russian State Research Center, Institute for High Energy Physics, Pobeda 1, Protvino, Moscow Region, 142281, Russia

    V. V. Kiselev

  2. Moscow Institute of Physics and Technology, Institutskii per. 9, Dolgoprudnyi, Moscow Region, 141701, Russia

    V. V. Kiselev & S. A. Timofeev

Authors
  1. V. V. Kiselev
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  2. S. A. Timofeev
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Correspondence to V. V. Kiselev.

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Kiselev, V.V., Timofeev, S.A. Quasiattractor in models of new and chaotic inflation. Gen Relativ Gravit 42, 183 (2010). https://doi.org/10.1007/s10714-009-0827-5

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  • DOI: https://doi.org/10.1007/s10714-009-0827-5

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