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- Title
SPATIALLY FLAT FRW MODELS WITH A NONMINIMALLY COUPLED GHOST SCALAR FIELD AND PERFECT FLUID IN EINSTEIN-CARTAN THEORY.
- Authors
GALIAKHMETOV, A. M.
- Abstract
Exact general solutions to the Einstein-Cartan equations are obtained for spatially flat Friedmann cosmologies with a nonminimally coupled ghost scalar field and perfect fluid. It is shown that both singular and bouncing models are possible. An analogous problem is investigated in general relativity. Some effects of torsion are elucidated. The role of perfect fluid in the Einstein-Cartan cosmology is discussed.
- Subjects
NUMERICAL solutions to Einstein field equations; SCALAR field theory; METAPHYSICAL cosmology; TORSION; CELESTIAL mechanics; GENERAL relativity (Physics); GRAVITATION
- Publication
International Journal of Modern Physics D: Gravitation, Astrophysics & Cosmology, 2012, Vol 21, Issue 1, p1250001-1
- ISSN
0218-2718
- Publication type
Article
- DOI
10.1142/S0218271812500010