On the cosmological equations in the presence of a spatially homogeneous torsion field

Details On the cosmological equations in the presence of a spatially homogeneous torsion field On the cosmological equations in the presence of a spatially homogeneous torsion field

Jun 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986phlb..173..247m&link_type=abstract

Physics Letters B, Volume 173, Issue 3, p. 247-250.

Physics

11

Scientific paper

It is shown that Einstein's equations obtained from the Friedmann Ansatz for the metric and an arbitrary cosmological term can be consistently extended on include a spatiall]y homogeneous contorsion field Kabc = ɛ abc K(t), K(t) = η/R(t) η an arbitrary constant. This mechanism which guarantees covariant conservation of the Einstein tensor, amounts to replacing the arbitrary constant. This mechanism which guarantees covariant conservation of the Einstein tensor, amounts to replacing the signature parameter ɛ = ( +1: spherical space, 0: flat space, -1: hyperbolic space) by ɛ1 = ɛ - η2.

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