String Corrected Scalar Field Inflation Compatible with the ACT Data
V.K. Oikonomou

TL;DR
This paper develops a string-corrected scalar field inflation model that aligns with ACT and Planck data, emphasizing self-consistency in the slow-roll approximation.
Contribution
It introduces a self-consistent inflationary framework incorporating specific string corrections, compatible with observational constraints.
Findings
Derived an analytically tractable inflationary model with string corrections.
The model fits ACT and Planck observational constraints.
Identified a non-trivial, self-consistent correction term for inflation dynamics.
Abstract
We consider the impact of the first string corrections of minimally coupled single scalar field theory on inflationary dynamics. Specifically we consider separately the string corrections and , where is the square of the string scale. Our aim is to develop a theory which is self consistent in the sense that the field equations reproduce themselves in the slow-roll approximation. Such a requirement for the theory with resulted to a trivial non-minimal coupling function , however a self-consistent framework emerged from the theory with correction term . The…
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