Imperfect fluid interacting with the gravitational field in Robertson-Walker universe

Details Imperfect fluid interacting with the gravitational field in Robertson-Walker universe Imperfect fluid interacting with the gravitational field in Robertson-Walker universe

Sep 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989ap%26ss.159..271t&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 159, no. 2, Sept. 1989, p. 271-278.

Statistics

Computation

2

Computational Astrophysics, Gravitational Fields, Universe, Viscous Fluids, Cosmic Dust, Radiation Distribution, Spatial Distribution

Scientific paper

A study of imperfect fluid interacting with the gravitational field for spherically-symmetric Robertson-Walker metric has been carried out. Exact solutions of the field equations of viscous fluid have been obtained under different equations of state. The corresponding physical interpretations of the solutions have been investigated. It has been shown that the occurrence of Big-Bang does not take place when the viscous fluid as only source term interacts with the gravitational field at the initial stages

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