Abstract
The study of Einstein field equations describing the Robertson-Walker universe with the Brans-Dicke field and perfect fluid has been made. It is found that the exact solutions to the B-D field interacting with perfect fluid reduce to a false vaccum with cosmological constant and without cosmological constant the solution reduce to the exact solution of the matter dust distribution in the Brans-Dicke cosmology.
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Singh, N.I., Singh, N.B. B-D Field Interaction with the Gravitation Field in the Robertson-Walker Universe Filled With Perfect Fluid. Astrophysics and Space Science 260, 327–333 (1998). https://doi.org/10.1023/A:1001765007950
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DOI: https://doi.org/10.1023/A:1001765007950