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arXiv · astro-ph/9612141

Tilted Hybrid Inflation

Juan Garcia-Bellido·Andrei Linde
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Abstract

We propose a new version of the hybrid inflation scenario that produces a significantly tilted n>1 spectrum of curvature perturbations. This may happen in supersymmetric models where the inflaton field acquires a mass proportional to the Hubble constant, and in the models where this field non-minimally couples to gravity. A large tilt of the spectrum in this scenario is often accompanied by a considerable contribution of tensor perturbations to the temperature anisotropies. We also show that under certain conditions the spectrum of density perturbations in this scenario may have a minimum on an intermediate length scale.

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Juan Garcia-Bellido, Andrei Linde. 1996-12-13. Tilted Hybrid Inflation. https://doi.org/10.1016/s0370-2693(97)00211-6

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