Modular Hybrid Inflation without Flat Directions and the Curvaton

Details Modular Hybrid Inflation without Flat Directions and the Curvaton Modular Hybrid Inflation without Flat Directions and the Curvaton

2004-08-06

arxiv.org/abs/hep-ph/0408084v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

In Proceedings of Moriond conference: "Exploring the Universe: Contents and Structures of the Universe" La Thuile, Italy (Marc

Scientific paper

I study two-stage hybrid inflation driven by moduli fields, corresponding to flat directions of supersymmetry, lifted by supergravity corrections. The first stage corresponds to a period of either fast-roll or `locked' inflation, induced by an oscillating inflaton. This is followed by a second stage of fast-roll inflation. Enough total e-foldings to encompass the cosmological scales are achieved. Structure in the Universe is generated due to a curvaton field.

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