文章基本信息

标题：Anisotropic Bianchi Type-III Bulk Viscous Fluid Universe in Lyra Geometry
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作者：Priyanka Kumari ; M. K. Singh ; Shri Ram 等
期刊名称：Advances in Mathematical Physics
印刷版ISSN：1687-9120
电子版ISSN：1687-9139
出版年度：2013
卷号：2013
DOI：10.1155/2013/416294
出版社：Hindawi Publishing Corporation
摘要：An anisotropic Bianchi type-III cosmological model is investigated in the presence of a bulk viscous fluid within the framework of Lyra geometry with time-dependent displacement vector. It is shown that the field equations are solvable for any arbitrary function of a scale factor. To get the deterministic model of the universe, we have assumed that (i) a simple power-law form of a scale factor and (ii) the bulk viscosity coefficient are proportional to the energy density of the matter. The exact solutions of the Einstein’s field equations are obtained which represent an expanding, shearing, and decelerating model of the universe. Some physical and kinematical behaviors of the cosmological model are briefly discussed.