Warm-intermediate inflationary universe model

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Abstract

Warm inflationary universe models in the context of intermediate expansion, between power law and exponential, are studied. General conditions required for these models to be realizable are derived and discussed. This study is done in the weak and strong dissipative regimes. The inflaton potentials considered in this study are negative-power-law and powers of logarithms, respectively. The parameters of our models are constrained from the WMAP three and five year data.

Original languageEnglish
Article number005
JournalJournal of Cosmology and Astroparticle Physics
Volume2009
Issue number4
DOIs
StatePublished - 9 Nov 2009

Keywords

  • Cosmological perturbation theory
  • Inflation
  • Physics of the early universe

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