Inflation in a Bianchi type-I Einstein-Cartan cosmological model

Details Inflation in a Bianchi type-I Einstein-Cartan cosmological model Inflation in a Bianchi type-I Einstein-Cartan cosmological model

Feb 1987

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987phrvd..35.1181d&link_type=abstract

Physical Review D (Particles and Fields), Volume 35, Issue 4, 15 February 1987, pp.1181-1184

Mathematics

Logic

22

Gravity In More Than Four Dimensions, Kaluza-Klein Theory, Unified Field Theories, Alternative Theories Of Gravity, Origin And Formation Of The Universe

Scientific paper

We present a Bianchi type-I cosmological model in the Einstein-Cartan theory of gravity. We assume that the Universe is filled in with radiation and nonzero vacuum energy (cosmological constant). Generic initial conditions lead to a nonsingular cosmological model with a finite initial radius. Singularity appears when the anisotropic energy density is greater than or equal to the spin energy density. For sufficiently large times the scale factor grows exponentially. We discuss consequences of our model in a more realistic physical situation.

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