Assisted inflation in Bianchi VI0 cosmologies

Details Assisted inflation in Bianchi VI0 cosmologies Assisted inflation in Bianchi VI0 cosmologies

2001-07-03

arxiv.org/abs/gr-qc/0107009v1

Gen.Rel.Grav. 34 (2002) 341-352

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages

Scientific paper

Exact models for Bianchi VI0 spacetimes with multiple scalar fields with exponential potentials have been derived and analysed. It has been shown that these solutions, when they exist, attract neighbouring solutions in the two cases corresponding to interacting and non-interacting fields. Unlike the results obtained in a previous work dealing with the late-time inflationary behaviour of Bianchi VI0 cosmologies, the knowledge of exact solutions has made possible to study in detail the occurrence of inflation before the asymptotic regime. As happened in preceding works, here as well inflation is more likely to happen with a higher number of non-interacting fields or a lower number of interacting scalar fields.

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