Single-field inflation in models with an $R^2$ term

Karam, Alexandros; Antoniadis, Ignatios; Lykkas, Angelos; Pappas, Thomas; Tamvakis, Kyriakos

doi:10.22323/1.376.0073

Volume 376 - Corfu Summer Institute 2019 "School and Workshops on Elementary Particle Physics and Gravity" (CORFU2019) - Workshop on Connecting Insights in Fundamental Physics: Standard Model and Beyond

Single-field inflation in models with an

$R^2$ term

A. Karam*, I. Antoniadis, A. Lykkas, T. Pappas and K. Tamvakis

*: corresponding author

Full text: pdf

Published on: August 18, 2020

Abstract

We present two cases where the addition of the

$R^2$ term to an inflationary model leads to single-field inflation instead of two-field inflation as is usually the case. In both cases we find that the effect of the

$R^2$ term is to reduce the value of the tensor-to-scalar ratio

$r$ .

DOI: https://doi.org/10.22323/1.376.0073

How to cite

Metadata are provided both in article format (very similar to INSPIRE) as this helps creating very compact bibliographies which can be beneficial to authors and readers, and in proceeding format which is more detailed and complete.

Open Access

Copyright owned by the author(s) under the term of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.