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

Antoniadis, Ignatios; Karam, Alexandros; Lykkas, Angelos; Pappas, Thomas; Tamvakis, Kyriakos (18 August 2020). Single-field inflation in models with an R^2 term. PoS - proceedings of science, CORFU2019, 073. Trieste, Italy: Scuola Internazionale Superiore di Studi Avanzati SISSA 10.22323/1.376.0073

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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.

Item Type:

Conference or Workshop Item (Paper)

Division/Institute:

10 Strategic Research Centers > Albert Einstein Center for Fundamental Physics (AEC)
08 Faculty of Science > Institute of Theoretical Physics

UniBE Contributor:

Antoniadis, Ignatios

Subjects:

500 Science > 530 Physics

ISSN:

1824-8039

Publisher:

Scuola Internazionale Superiore di Studi Avanzati SISSA

Language:

English

Submitter:

Esther Fiechter

Date Deposited:

16 Nov 2020 14:24

Last Modified:

16 Nov 2020 14:24

Publisher DOI:

10.22323/1.376.0073

ArXiv ID:

1912.12757

BORIS DOI:

10.7892/boris.147887

URI:

https://boris.unibe.ch/id/eprint/147887

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