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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| Natura: | Articolo |
| Lingua: | English |
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MDPI AG
2022-03-01
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| Serie: | Universe |
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| Accesso online: | https://www.mdpi.com/2218-1997/8/4/199 |