Isfahan University of Technology,
The Physics Society of IranIranian Journal of Physics Research1682-695718320191126Bulk viscous string cosmological models in Saez â Ballester theory of gravitationBulk viscous string cosmological models in Saez â Ballester theory of gravitation497497138710.29252/ijpr.18.3.497FAV U MRaoMVijaya SanthiK V SSireeshaNSandhya RaniJournal Article20191126Spatially homogeneous Bianchi type-II, VIII and IX anisotropic, as well as isotropic cosmological models can be obtained in a scalar tensor theory of gravitation proposed by Saez and Ballester (1986) when the source for energy momentum tensor is a bulk viscous fluid containing one-dimensional cosmic strings. All the models obtained and presented here are expanding, non-rotating and accelerating. Also, some important features of the models thus obtained have been discussed.Spatially homogeneous Bianchi type-II, VIII and IX anisotropic, as well as isotropic cosmological models can be obtained in a scalar tensor theory of gravitation proposed by Saez and Ballester (1986) when the source for energy momentum tensor is a bulk viscous fluid containing one-dimensional cosmic strings. All the models obtained and presented here are expanding, non-rotating and accelerating. Also, some important features of the models thus obtained have been discussed.https://ijpr.iut.ac.ir/article_1387_7c0a711f87ce0bcbb64add584e8e1995.pdf