Light of Planck-2015 on Non-Canonical Inflation

TL;DR

This paper investigates non-canonical inflation models using Planck-2015 data, analyzing potential forms and attractor behavior through two formalisms to constrain model parameters.

Contribution

It introduces a detailed analysis of non-canonical inflation with power-law kinetic terms using both potential-based and Hamilton-Jacobi formalisms, constrained by observational data.

Findings

Model parameters constrained by Planck-2015 data

Potential and attractor behavior analyzed in detail

Compatibility of non-canonical inflation with observations confirmed

Abstract

Slow-roll inflationary scenario is considered in non-canonical scalar field model supposing a power-law function for kinetic term, and using two formalisms. In the first approach, the potential is considered as a power-law function, that is the most common approach in studying inflation. Hamilton-Jacobi approach is selected as the second formalism, so that the Hubble parameter is introduced as a function of scalar field instead of the potential. Employing the last observational data, the free parameters of the model are constrained, and the predicted form of the potential and attractor behavior of the model are considered in detail.