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Chaotic exit to inflation: pre-inflationary Friedmann-Robertson-Walker universes

1997/11/06 by G. A. Monerat, H. P. de Oliveira, Monerat, G. A. +4
Biochemistry, Genetics and Molecular Biology · Earth and Planetary Sciences · Physics and Astronomy · #Cosmology and Gravitation Theories #FOS: Physical sciences #General Relativity and Quantum Cosmology (gr-qc) #Geomagnetism and Paleomagnetism Studies #Geophysics and Gravity Measurements #gr-qc

paper · pdf · doi:10.48550/arxiv.gr-qc/9711023

3 pages, 4 figures, lateX (mprocl.sty). To appear in the proceedings of the Eighth Marcel Grossmann Meeting, Jeruslaem, June 1997

arxiv created 1997/11/06 · openalex publication_date 1997/11/06 · arxiv updated 2009/11/30 · openalex created_date 2025/10/24 · openalex updated_date 2026/07/28

Abstract

We show that homogeneous and isotropic cosmological models with radiation and scalar field have, in general, two possible chaotic exits to inflation. These models may describe the early stages of inflation. The central point of our analysis is based on the possible existence of one or two saddle-centers points in the phase space of the models.

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