Perturbations and non-Gaussianities in three-form inflationary
magnetogenesis [PDF]
Federico R. Urban, Tomi K. KoivistoWe 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.View original: http://arxiv.org/abs/1207.7328
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