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arXiv · 1411.4501

Constraining Galileon Inflation

Donough Regan·Gemma J. Anderson·Matthew Hull·David Seery
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Abstract

In this short paper, we present constraints on the Galileon inflationary model from the CMB bispectrum. We employ a principal-component analysis of the independent degrees of freedom constrained by data and apply this to the WMAP 9-year data to constrain the free parameters of the model. A simple Bayesian comparison establishes that support for the Galileon model from bispectrum data is at best weak.

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Donough Regan, Gemma J. Anderson, Matthew Hull, David Seery. 2014-11-17. Constraining Galileon Inflation. https://doi.org/10.1088/1475-7516%2F2015%2F02%2F015

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