Journal
PHYSICS LETTERS B
Volume 670, Issue 4-5, Pages 241-245Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2008.06.077
Keywords
Scalar fields in cosmology; Cosmological singularities; Future of the universe
Funding
- RFBR [08-02-00923-a, LSS-4899.2008.2]
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We construct a scalar field based cosmological model, possessing a cosmological singularity characterized by a finite value of the cosmological radius and an infinite scalar curvature. Using the methods of the qualitative theory of differential equations, we give a complete description of the cosmological evolutions in the model under consideration. There are four classes of evolutions, two of which have finite lifetimes, while the other two undergo an infinite expansion. We discuss also the relation between the dynamics of the model and the intermediate inflation phenomenology. (C) 2008 Elsevier B.V. All rights reserved.
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