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Published in 2020 at "Journal of Cosmology and Astroparticle Physics"
DOI: 10.1088/1475-7516/2020/04/021
Abstract: We investigate the observational signatures of many-field inflation and present analytic expressions for the spectral index as a function of the prior. For a given prior we employ the central limit theorem and the horizon…
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Keywords:
field inflation;
inflation universality;
universality prior;
many field ... See more keywords