1. Kantowski–Sachs universe with dark energy fluid and massive scalar field
- Author
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D. R. K. Reddy, Y. Aditya, K. Deniel Raju, T. Vinutha, and M.P.V.V. Bhaskara Rao
- Subjects
Physics ,Field (physics) ,010308 nuclear & particles physics ,media_common.quotation_subject ,General Physics and Astronomy ,Astrophysics::Cosmology and Extragalactic Astrophysics ,Cosmological model ,01 natural sciences ,Universe ,General Relativity and Quantum Cosmology ,Theoretical physics ,Homogeneous ,0103 physical sciences ,Dark energy ,Anisotropy ,010303 astronomy & astrophysics ,Scalar field ,media_common - Abstract
This study is mainly concerned with a spatially homogeneous and anisotropic Kantowski–Sachs cosmological model with anisotropic dark energy fluid and massive scalar field. We solve the field equations using (i) the shear scalar proportionality to the expansion scalar and (ii) a mathematical condition that is a consequence of the power law between the scalar field and the average scale factor of the universe, and the corresponding dark energy model is presented. The cosmological parameters of the model are computed and discussed, as well as the relevance of its dynamical aspects to the recent scenario of the accelerated expansion of the universe.
- Published
- 2020
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