TL;DR
This paper proposes a supergravity-based chaotic inflation model utilizing a U(1) gauge theory with a Stuckelberg superfield, where the Fayet-Iliopoulos field acts as the inflaton, resulting in a quadratic potential.
Contribution
It introduces a novel supergravity model for D-term inflation using a U(1) gauge theory with a Stuckelberg superfield, highlighting the inflaton role of the Fayet-Iliopoulos field.
Findings
The model successfully produces a quadratic inflaton potential.
It demonstrates the feasibility of D-term inflation within supergravity frameworks.
The Fayet-Iliopoulos field can serve as the inflaton in this setup.
Abstract
A simple model for chaotic inflation in supergravity is proposed. The model is N=1 supersymmetric massive U(1) gauge theory via the Stuckelberg superfield and gives rise to D-term inflation with a quadratic term of inflaton in the potential. The Fayet-Iliopoulos field plays a role of the inflaton.
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