Nonminimally coupled scalar field and perfect fluid in Einstein-Cartan cosmology

Details Nonminimally coupled scalar field and perfect fluid in Einstein-Cartan cosmology Nonminimally coupled scalar field and perfect fluid in Einstein-Cartan cosmology

Apr 2012

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2012gregr..44.1043g&link_type=abstract

General Relativity and Gravitation, Volume 44, Issue 4, pp.1043-1056

Mathematics

Logic

Torsion, Einstein-Cartan Theory, Scalar Field, Perfect Fluid, Cosmology

Scientific paper

Exact general solutions to the Einstein-Cartan equations are obtained for spatially flat isotropic and homogeneous cosmologies with a nonminimally coupled scalar field and perfect fluid. Some effects of torsion are revealed by solving an analogous problem in general relativity. A comparative analysis of the cosmological models with and without perfect fluid is carried out in context of the Einstein-Cartan theory. The role of perfect fluid in the dynamics of models is discussed.

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