Non-Minimal Braneworld Inflation after the Planck
Kourosh Nozari, Narges Rashidi
TL;DR
This paper investigates a non-minimal braneworld inflation model with induced gravity, constraining inflationary parameters using recent Planck data and identifying an exponential potential as the best fit.
Contribution
It extends braneworld inflation models by incorporating non-minimal coupling and constrains parameters with latest observational data.
Findings
Exponential potential fits the Planck data best.
Constraints on inflation parameters are derived for six potential types.
Non-minimal coupling affects inflationary predictions.
Abstract
The recently released Planck data have constrained 4-dimensional inflationary parameters even more accurately than ever. We consider an extension of the braneworld model with induced gravity and a non-minimally coupled scalar field on the brane. We constraint the inflation parameters in this setup, by adopting six types of potential, in confrontation with the joint Planck+WMAP9+BAO data. We show that a potential of the type has the best fit with newly released observational data.
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