New shapes of primordial non-Gaussianity from quasi-single field inflation with multiple isocurvatons
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DOI: 10.1103/physrevd.100.043534
Abstract: We study a simple extension of quasi-single field inflation in which the inflaton interacts with multiple extra massive scalars known as isocurvatons. Due to the breaking of time translational invariance by the inflaton background, the… read more here.
Keywords: single field; inflation; field inflation; multiple isocurvatons ... See more keywords