Abstract
We have studied Locally Rotationally Symmetric (LRS) Bianchi type-I cosmological model filled with anisotropic fluid in general theory of relativity. The solutions of the field equations are obtained by using special form of deceleration parameter which gives early deceleration and late time accelerating cosmological model. The geometrical and physical aspect of the model is also studied.
Highlights
Our universe is undergoing a late-time accelerating expansion which has been evidenced by Riess et al [1], Bahcall et al [2], Bennett et al [3], Spergel et al [4], Cunha [5]
We have studied Locally Rotationally Symmetric (LRS) Bianchi type-I cosmological model filled with anisotropic fluid in general theory of relativity
Li et al [6] studied the present acceleration of the universe by analyzing the sample of baryonic acoustic oscillation (BAO) with cosmic microwave background (CMB) radiation and concluded that such sample of BAO with CMB increases the present cosmic acceleration which has been further explained by plotting graphs for change of deceleration parameter q with redshift z 2
Summary
Our universe is undergoing a late-time accelerating expansion which has been evidenced by Riess et al [1], Bahcall et al [2], Bennett et al [3], Spergel et al [4], Cunha [5]. We live in a spatially flat universe composed of (approximately) 4% baryonic matter, 22% dark matter and 74% dark energy. Li et al [6] studied the present acceleration of the universe by analyzing the sample of baryonic acoustic oscillation (BAO) with cosmic microwave background (CMB) radiation and concluded that such sample of BAO with CMB increases the present cosmic acceleration which has been further explained by plotting graphs for change of deceleration parameter q with redshift z 2
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