A Universe in a vacuum-dominated era

Details A Universe in a vacuum-dominated era A Universe in a vacuum-dominated era

Feb 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003ncimb.118..119s&link_type=abstract

Il Nuovo Cimento B, vol. 118, Issue 02, p.119

Statistics

Computation

Scientific paper

A model of the universe is proposed wherein matter is assumed to be concentrated in spots surrounded by vacuum with a positive cosmological constant. The metric around a spot is computed. This metric is composite with a Schwarzschild and a de Sitter component. Numerical computations for some galaxies and group of galaxies show that the de Sitter component prevails at some distance. The main properties of a universe governed by such a metric are disclosed (expansion, recession, redshift, etc.). Numerical values are computed and appear to be in agreement with current observational data. A Newtonian limit is also investigated.

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