Reconstruction of scalar field theories realizing inflation consistent with the Planck and BICEP2 results
Kazuharu Bamba, Shin'ichi Nojiri, Sergei D. Odintsov
TL;DR
This paper reconstructs scalar field theories for inflation that align with Planck and BICEP2 observations, exploring models like chaotic, natural, and hyperbolic inflaton potentials.
Contribution
It provides an explicit method to reconstruct scalar field models of inflation compatible with current observational data.
Findings
Reconstructed models consistent with BICEP2 and Planck results
Explicit approach applicable to various inflationary potentials
Demonstrated viability of hyperbolic inflaton potential models
Abstract
We reconstruct scalar field theories to realize inflation compatible with the BICEP2 result as well as the Planck. In particular, we examine the chaotic inflation model, natural (or axion) inflation model, and an inflationary model with a hyperbolic inflaton potential. We perform an explicit approach to find out a scalar field model of inflation in which any observations can be explained in principle.
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