Perturbations and non-Gaussianities in three-form inflationary magnetogenesis

preprint2012arXivOpen access

Abstract

We reconsider magnetogenesis in the context of three-form inflation, and its backreaction. In particular, we focus on first order perturbation theory during inflation and subsequent radiation era: we discuss the consistency of the perturbative approach, and elaborate on the possible non-Gaussian signatures of the model.

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