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Bianchi Types II, VIII and IX String Cosmological Models with Bulk Viscosity in Brans-Dicke Theory of Gravitation

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Abstract

We have obtained and presented spatially homogeneous Bianchi types II, VIII and IX string cosmological models with bulk viscosity in a scalar tensor theory of gravitation proposed by Brans and Dicke (Phys. Rev. 124:925, 1961). It is observed that in case of Bianchi type-IX universe, only bulk viscous cosmological model exists. Some physical and geometrical properties of the models are also discussed.

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Acknowledgement

The second author (K.V.S. Sireesha) is grateful to the Department of Science and Technology (DST), New Delhi, India for providing INSPIRE fellowship.

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Authors and Affiliations

  1. Department of Applied Mathematics, Andhra University, Visakhapatnam, A.P., India

    V. U. M. Rao & K. V. S. Sireesha

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  1. V. U. M. Rao
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  2. K. V. S. Sireesha
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Correspondence to V. U. M. Rao.

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Rao, V.U.M., Sireesha, K.V.S. Bianchi Types II, VIII and IX String Cosmological Models with Bulk Viscosity in Brans-Dicke Theory of Gravitation. Int J Theor Phys 51, 3013–3020 (2012). https://doi.org/10.1007/s10773-012-1183-x

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  • DOI: https://doi.org/10.1007/s10773-012-1183-x

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