Low-scale supergravity inflation with R-symmetry
G. German (1), A. de la Macorra (2), M. Mondragon (2) ((1) Centro, de Ciencias Fisicas, Nat. Univ. Mexico, (2) Inst. Fisica, Nat. Univ. Mexico)
TL;DR
This paper presents a supergravity inflation model with R-symmetry, capable of operating at low energy scales from 10^3 to 10^{10} GeV, relevant for theories with extra dimensions, providing exact solutions and comparisons.
Contribution
It introduces a supergravity inflation model with R-symmetry that functions at low energy scales and offers exact analytical solutions.
Findings
Inflation scales can be as low as 10^3 GeV.
Exact analytical solutions are derived.
Model relevance to theories with submillimeter dimensions.
Abstract
We study a supergravity model of inflation with R-symmetry and a single scalar field, the inflaton, slowly rolling away from the origin. The scales of inflation can be as low as the supersymmetry breaking scale of 10^10 GeV or even the electroweak scale of 10^3 GeV which could be relevant in the context of theories with submillimiter dimensions. Exact analytical solutions are presented and a comparison with related models is given.
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