Sub-Planckian ϕ2 inflation in the Palatini formulation of gravity with an R2 term
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DOI: 10.1103/physrevd.101.123515
Abstract: The simplest model that can produce inflation is a massive noninteracting scalar particle with potential V=m2φ2/2. However, φ2 chaotic inflation is inconsistent with the observed upper bound on the tensor-to-scalar ratio, r. Recently it has… read more here.
Keywords: term; sub planckian; inflaton; inflation ... See more keywords