Abstract
A spatially homogeneous and anisotropic Bianchi type-I cosmological model is obtained in a scalar–tensor theory of gravitation proposed by Saez and Ballester (Phys. Lett. A 113:467, 1986) when the source for energy momentum tensor is a bulk viscous fluid containing one dimensional cosmic strings. Some physical and kinematical properties of the model are discussed. It is observed that the bulk viscosity has a greater role in getting an accelerated expansion of the universe in this theory.
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Rao, V.U.M., Sree Devi Kumari, G. & Sireesha, K.V.S. Anisotropic universe with cosmic strings and bulk viscosity in a scalar–tensor theory of gravitation. Astrophys Space Sci 335, 635–638 (2011). https://doi.org/10.1007/s10509-011-0776-9
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DOI: https://doi.org/10.1007/s10509-011-0776-9