Warm (formuls presented.) inflationary universe model in light of Planck 2015 results

Grigorios Panotopoulos, NELSON MANUEL VIDELA MENARES

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

In the present work we show that warm chaotic inflation characterized by a simple self-interaction potential for the inflaton, excluded by current data in standard cold inflation, and by an inflaton decay rate proportional to the temperature, is in agreement with the latest Planck data. The parameters of the model are constrained, and our results show that the model predicts a negligible tensor-to-scalar ratio in the strong dissipative regime, while in the weak dissipative regime the tensor-to-scalar ratio can be large enough to be observed.

Original languageEnglish
Article number525
Pages (from-to)1-7
Number of pages7
JournalEuropean Physical Journal C
Volume75
Issue number11
DOIs
StatePublished - 1 Nov 2015

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