Universe With Time Dependent Deceleration Parameter and $Λ$ Term in General Relativity

Details Universe With Time Dependent Deceleration Parameter and $Λ$ Term in General Relativity Universe With Time Dependent Deceleration Parameter and $Λ$ Term in General Relativity

2006-07-28

arxiv.org/abs/gr-qc/0607129v1

Astrophys.SpaceSci.306:11-16,2006

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

14 pages, 9 figures. Astrophys. Space Sci. (2006), to appear

Scientific paper

10.1007/s10509-006-9178-9

A new class of exact solutions of Einstein's field equations with perfect fluid for an LRS Bianchi type-I spacetime is obtained by using a time dependent deceleration parameter. We have obtained a general solution of the field equations from which three models of the universe are derived: exponential, polynomial and sinusoidal form respectively. The behaviour of these models of the universe are also discussed in the frame of reference of recent supernovae Ia observations.

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