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Article overview
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Interdependence between integrable cosmological models with minimal and non-minimal coupling | | A.Yu. Kamenshchik
; E.O. Pozdeeva
; A. Tronconi
; G. Venturi
; S.Yu. Vernov
; | | Date: |
2 Sep 2015 | | Abstract: | We consider the relation between exact solutions of cosmological models
having minimally and non-minimally coupled scalar fields. This is done for a
particular class of solvable models which, in the Einstein frame, have
potentials depending on hyperbolic functions and in the Jordan frame, where the
non-minimal coupling is conformal, possess a relatively simple dynamics. We
show that a particular model in this class can be generalized to the cases of
closed and open Friedmann universes and still exhibits a simple dynamics.
Further we illustrate the conditions for the existences of bounces in some
sub-classes of the set of integrable models we have considered. | | Source: | arXiv, 1509.0590 | | Services: | Forum | Review | PDF | Favorites | |
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