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arXiv · 1503.04872

Transients in finite inflation

Andrew Scacco·Andreas Albrecht
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Abstract

We test a model of inflation with a fast-rolling kinetic-dominated initial condition against data from Planck using Markov chain Monte Carlo parameter estimation. We test both an $m^2 ϕ^2$ potential and the $R+R^2$ gravity model and perform a full numerical calculation of both the scalar and tensor primordial power spectra. We find a slight (though not significant) improvement in fit for this model over the standard eternal slow-roll case.

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Andrew Scacco, Andreas Albrecht. 2015-10-07. Transients in finite inflation. https://doi.org/10.1103/physrevd.92.083506

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