A scalar field influenced Robertson-Walker model

Details A scalar field influenced Robertson-Walker model A scalar field influenced Robertson-Walker model

Nov 1993

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993gregr..25.1107s&link_type=abstract

General Relativity and Gravitation, Volume 25, Issue 11, pp.1107-1111

Physics

2

Scientific paper

We show that if a scalar field similar to the one mediating inflation is effective even now, then the Robertson-Walker model may have some interesting properties under certain conditions. In this case even a spatially closed universe may expand forever. A dust universe has alwaysq=1/2 for all values of spatial curvature. The critical density is also less than in the standard Robertson-Walker model.

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