Nonminimal GUT inflation after Planck results

Abstract

In the present work we study GUT Coleman-Weinberg inflation with a nonminimal coupling to gravity. In this kind of model one usually finds that either the nonminimal coupling is large or the inflaton self-coupling in unnaturally small. We have shown here that the model is in agreement with the recent results from Planck for natural values of the couplings.

arXiv comment4 pages, 2 figures, published in PRD

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Cited by in corpus (9)

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• Super-Heavy Dark Matter - Towards Predictive Scenarios from Inflation
• GUT Physics in the era of the LHC
• Testing non-minimally coupled inflation with CMB data: a Bayesian analysis
• Inflationary predictions of double-well, Coleman-Weinberg, and hilltop potentials with non-minimal coupling
• Conformal GUT inflation, proton lifetime and non-thermal leptogenesis
• Phase-space analysis of dark energy models in non-minimally coupled theories of gravity
• Higgs Inflation in Unimodular Gravity
• A Light Dilatonic Higgs and a Dilatonic Inflaton in the Georgi-Glashow SU(5) Model