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Semi-Classical Isotropization of the Universe during a de Sitter phase · Around

2010

Semi-Classical Isotropization of the Universe during a de Sitter phase

Cianfrani, Francesco, Montani, Giovanni, Muccino, Marco

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Semi-classical states for the Wheeler-DeWitt equation of a Bianchi type I model in the presence of a scalar field are analyzed.

It is outlined how this scheme can effectively describe more general situations, where the curvature of the Bianchi type IX model and a proper potential term for the scalar field are present.
The introduction of a cosmological constant term accounts for the quasi-isotropization mechanism which bridges the proposed framework with a late isotropic phase.
This result makes the semi-classical Bianchi I model a plausible scenario for the Universe pre-inflationary phase.

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