Summary
A technique is developed by means of which from a vacuum solution in the most general scalar-tensor theories of gravitation a solution in general relativity with an imperfect fluid as the matter content is obtained. The fluid in the generated solution is Newtonian and irrotational. Two examples of the Bianchi type-I universe and one of the Kantowski-Sachs model are given. In the first two examples the well-known solutions of Belinskii and Khalatnikov are recovered.
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Pimentel, L.O. Generating imperfect-fluid solutions. Nuov Cim B 109, 247–254 (1994). https://doi.org/10.1007/BF02727288
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DOI: https://doi.org/10.1007/BF02727288