Cosmological Models of Universe with Variable Deceleration Parameter in Lyra's Manifold

Details Cosmological Models of Universe with Variable Deceleration Parameter in Lyra's Manifold Cosmological Models of Universe with Variable Deceleration Parameter in Lyra's Manifold

2006-08-14

arxiv.org/abs/gr-qc/0608070v2

Braz.J.Phys. 36 (2006) 1227-1231

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

11 pages, 3 figures. To appear in Braz. J. Phys

Scientific paper

FRW models of the universe have been studied in the cosmological theory based on Lyra's manifold. A new class of exact solutions has been obtained by considering a time dependent displacement field for variable deceleration parameter from which three models of the universe are derived (i) exponential (ii) polynomial and (iii) sinusoidal form respectively. The behaviour of these models of the universe are also discussed. Finally some possibilities of further problems and their investigations have been pointed out.

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