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Kaluza-Klein FRW cosmological models in Lyra manifold

Author(s): Mohanty G. | Samanta G.C. | Mahanta K.L.

Journal: Theoretical and Applied Mechanics ISSN 1450-5584
Volume: 36; Issue: 2; Start page: 157; Date: 2009;
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Keywords: five dimensions | FRW | Lyra manifold

ABSTRACT
We have constructed five dimensional FRW cosmological models for k=-1,1,0 in Lyra manifold with time dependent displacement field. The matter field is considered in the form of a perfect fluid with isotropic matter pressure. It is found that the model for k=-1 is inflationary. For k=1, the model is inflationary for set of values of arbitrary constant n and decelerates in the standard way for another set of values of n. Moreover the concept of Lyra manifold does not exist at infinite time.