Events 2nd Electronic Conference on Universe

Event submissions

Published

10.3390/ECU2023-14036

This submission belongs to the session S1. Gravitation and Cosmology of the event 2nd Electronic Conference on Universe

Published date

16 Feb, 2023

Academic Editor

Gonzalo Olmo

Citation

Ekaterina O. Pozdeeva, Sergey V. Ketov, Sergey Yu. Vernov, String-inspired correction to R^2 inflation, in Proceedings of 2nd Electronic Conference on Universe, 16 February–2 March 2023, MDPI: Basel, Switzerland, doi: 10.3390/ECU2023-14036

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String-inspired correction to R^2 inflation

Ekaterina O. Pozdeeva ¹

Sergey V. Ketov ²

Sergey Yu. Vernov ³

1. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Russia

2. Tokyo Metropolitan University (TMU)

3. Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University

Abstract

We consider $R+R^2$ gravity model with a string-inspired function.
We analyze the model in slow-roll regime and estimate inflationary parameters using observational
data to restrict parameters including to the string-inspired function.

Keywords

slow-roll regime

inflationary parameters

string-inspired

Manuscript

StringCorRev.pdf

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