On certain relationships between cosmological observables in the Einstein-Cartan gravity

Details On certain relationships between cosmological observables in the Einstein-Cartan gravity On certain relationships between cosmological observables in the Einstein-Cartan gravity

1997-06-02

arxiv.org/abs/astro-ph/9706012v1

NuovoCim.B111:671,1996

Astronomy and Astrophysics

Astrophysics

7 pages, LaTeX style

Scientific paper

10.1007/BF02743397

We show that in the Einstein-Cartan gravity it is possible to obtain a relation between Hubble's expansion and the global rotation (vorticity) of the Universe. Gravitational coupling can be reduced to dimensionless quantity of order unity, fixing the scalar mass density and the resulting negative cosmological constant at spacelike infinity. Current estimates of the expansion and rotation (see also astro-ph/9703082) of the Universe favour the massive spinning particles as candidate particles for cold and hot dark matter. Nodland and Ralston vorticity (Phys. Rev. Lett. 78 (1997) 3043) overestimates the value favoured by the Einstein-Cartan gravity for three orders of magnitude.

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