Hyperbolic Inflation in the Jordan Frame

We consider a multi-scalar field model in the Jordan frame, which can be seen as a two-scalar field model where the Brans–Dicke field interacts in the kinetic part with the second scalar field. This theory under a conformal transformation reduces to the hyperbolic inflation. We show that scaling sol...

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Bibliographic Details
Main Author: Andronikos Paliathanasis
Format: Artigo
Language:Inglês
Published: MDPI AG 2022-03-01
Series:Universe
Subjects:
scalar field
chiral model
hyperbolic inflation
Jordan frame
Online Access:https://www.mdpi.com/2218-1997/8/4/199
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