Supersymmetric Inflation of Dynamical Origin

TL;DR

This paper presents a model of cosmic inflation driven by composite inflatons arising from supersymmetric gauge theories, highlighting the natural occurrence of inflationary dynamics in unified supersymmetric frameworks.

Contribution

It introduces a dynamical inflation model using composite inflatons within massive supersymmetric gauge theories, analyzing potential flatness and stability for slow-roll inflation.

Findings

Identification of nearly flat directions in the potential

Analysis of stable massive directions during inflation

Implication that dynamical inflation may be common in supersymmetric theories

Abstract

Dynamical models of inflation are given with composite inflatons by means of massive supersymmetric gauge theory. Nearly flat directions and stable massive ones in the potential are identified and slow-roll during inflation is examined. This kind of dynamical inflations may be ubiquitous in fundamental unified theory with supersymmetry, which should contain gauge theories for interactions of elementary particles.