Kaluza-Klein cosmology - Phenomenology and exact solutions with three-component matter

Details Kaluza-Klein cosmology - Phenomenology and exact solutions with three-component matter Kaluza-Klein cosmology - Phenomenology and exact solutions with three-component matter

Oct 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985gregr..17..989l&link_type=abstract

General Relativity and Gravitation (ISSN 0001-7701), vol. 17, Oct. 1985, p. 989-999.

Physics

7

Cosmology, Matter (Physics), Einstein Equations, Equations Of State, Gravitational Fields, Scalars

Scientific paper

An explanation is provided of the general fact that Friedmann models in Kaluza-Klein cosmologies, in which ordinary space-time is supplemented by internal factor spaces, are equivalent to the motion of tensorial-mass particle in a scalar field. Exact solutions are found for an important class of three-component matter in the case of one internal space of dimension d. The three components in question are the curvature of the internal space, the Zeldovich matter, and dust of the protoradiation type. The method includes one-component solutions for all the different models of compactification discussed so far.

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