Inflation with Planck: a survey of some "exotic" inflationary models

Abstract

We examine some inflationary models based on modifications of gravity in the light of Planck 2015 data, such as the generalised Chaplygin inspired inflation, models based in $N=1$ supergravity and braneworld scenarios. We also show that, conversely, potentials with a very flat plateau yield a primordial spectrum similar to that of the Starobinsky model with no need to modify general relativity.

arXiv comment9 pages, 8 figures

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Cited by in corpus (11)

• The warm inflation story
• Inflation with an antisymmetric tensor field
• Jeans Instability in Non-Minimal Matter-Curvature Coupling Gravity
• Hilltop inflation and generation of helical magnetic field
• Gravitational waves from inflation with antisymmetric tensor field
• Cosmological Solutions of the Non-minimally Coupled Weyl Connection Gravity Theories
• A simple supergravity model of inflation constrained with Planck 2018 data
• Stability Conditions for the Horndeski Scalar Field Gravity Model
• Non-trivial Extension of Starobinsky Inflation
• Constraints on the radiation temperature before inflation
• Mixed constraints to inflationary models