Journal
JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS
Volume -, Issue 9, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/1475-7516/2018/09/042
Keywords
inflation; cosmology of theories beyond the SM
Funding
- U.S. National Science Foundation [PHY-1607611, PHY-1521186, PHY-1620610]
- Division Of Physics
- Direct For Mathematical & Physical Scien [1521186] Funding Source: National Science Foundation
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We study multi-field inflation in random potentials generated via a non-equilibrium random matrix theory process. We make a novel modification of the process to include correlations between the elements of the Hessian and the height of the potential, similar to a Random Gaussian Field (RGF). We present the results of over 50,000 inflationary simulations involving 5-100 fields. For the first time, we present results of O (100) fields using the full 'transport method', without slow-roll approximation. We conclude that Planck compatibility is a common prediction of such models, however significant isocurvature power at the end of inflation is possible.
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