Exact solutions of Brans-Dicke theory for irrotational barotropic models with stiff matter

Details Exact solutions of Brans-Dicke theory for irrotational barotropic models with stiff matter Exact solutions of Brans-Dicke theory for irrotational barotropic models with stiff matter

Aug 1980

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1980jmp....21.2269j&link_type=abstract

Journal of Mathematical Physics, Volume 21, Issue 8, pp. 2269-2271 (1980).

Mathematics

Mathematical Physics

7

Gravity In More Than Four Dimensions, Kaluza-Klein Theory, Unified Field Theories, Alternative Theories Of Gravity

Scientific paper

In the previous work, we have obtained classes of exact solutions of Brans-Dicke (BD) theory when only a scalar field is present and also in the presence of an electromagnetic field. In the present paper, we have generated a new class of solutions of BD theory corresponding to irrotational barotropic perfect fluid with pressure equal to energy density. The main result of the paper may be stated as follows: ''Corresponding to any diagonalizable solution of Einstein vacuum field equations, in which fields and metric tensors are functions of not more than three variables, we can generate a solution of the Brans-Dicke theory for the irrotational barotropic perfect fluid with pressure equal to energy density.''

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