String-Inspired Correction to <i>R</i><sup>2</sup> Inflation
We study the Starobinsky–Bel–Robinson inflationary model in the slow-roll regime. In the framework of higher-curvature corrections to inflationary parameters, we estimate the maximal possible value of the dimensionless positive coupling constant <inline-formula><math xmlns="http://www....
| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2023-02-01
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| Series: | Physical Sciences Forum |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2673-9984/7/1/2 |