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A New Class of LRS Bianchi Type-I Cosmological Models in Lyra's Manifold

By Anirudh Pradhan and D. S. Chauhan

Abstract

LRS Bianchi type-I models have been studied in the cosmological theory based on Lyra's geometry. A new class of exact solutions has been obtained by considering a time dependent displacement field for variable deceleration parameter models of the universe. We have compared our models with those of Einstein's field theory with the cosmological term $\Lambda$. Our frame of reference is restricted to the recent Ia observations of supernovae. Some physical behaviour of the models is also examined in the presence of perfect fluids.Comment: 12 pages, 3 figure

Topics: General Relativity and Quantum Cosmology
Year: 2006
OAI identifier: oai:arXiv.org:gr-qc/0608056

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