Bulg. J. Phys. vol.47 no.1-2 (2020), pp. 059-074



Bianchi Type I Quark and Strange Quark Cosmological Models in f(G) Theory of Gravitation

S.P. Hatkar1, C.D. Wadale2, S.D. Katore3
1Department of Mathematics, A.E.S. Arts, Commerce and Science College, Hingoli-431513, India
2Department of Mathematics, Smt. R.S. College, Anjangaon Surji, 444705, India
3Department of Mathematics, Sant Gadge Baba Amravati University Amravati-444602, India
Abstract. The present research aims at investigating the Bianchi type I cosmological model in the presence of quark and strange quark matter which exist in the first second of the early universe in the framework of f(G) theory of gravitation. The field equations are solved by assuming volumetric exponential and power law expansions. It is also assumed that the shear is proportional to expansion scalar of the models. Physical parameters like shear scalar, expansion scalar, deceleration parameter are also discussed in details.

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