A universe with torsion

Details A universe with torsion A universe with torsion

Apr 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997el.....38....7p&link_type=abstract

Europhysics Letters, Volume 38, Issue 1, pp. 7-11 (1997).

Physics

1

Gravity In More Than Four Dimensions, Kaluza-Klein Theory, Unified Field Theories, Alternative Theories Of Gravity, Cosmology

Scientific paper

In the context of the ECSK theory of gravitation we have obtained the solutions of the Einstein-Dirac equations in a Friedmann-Robertson-Walker spatially flat universe when spin has only one non-zero space-component. All solutions are singular: one of these is bounded and describes a universe whose lifetime is [(hbar)/(mc2)], independently of initial conditions; the others describe a spatially flat open expanding or contracting universe, where spin increases the expansion rate or the contraction rate, respectively, of the universe for time intervals Δt approx [(hbar)/(mc2)] in a neighbourhood of the singularities.

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