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Dust Fluid Cosmological Model
Author(s) -
Anita Bagora,
Rakeshwar Purohit
Publication year - 2013
Publication title -
isrn astronomy and astrophysics
Language(s) - English
Resource type - Journals
eISSN - 2090-4746
pISSN - 2090-4738
DOI - 10.1155/2013/293298
Subject(s) - volume viscosity , physics , viscosity , viscous liquid , hubble's law , cosmological constant , zero (linguistics) , cosmological model , constant (computer programming) , classical mechanics , mechanics , cosmology , thermodynamics , astrophysics , dark energy , linguistics , philosophy , computer science , programming language
Bianchi type I tilted bulk viscous fluid cosmological model filled with dust fluid is investigated. We assume that (constant), where is the coefficient of bulk viscosity and is the expansion in the model. It has been assumed that the expansion in the model is only in two directions; that is, one of the components of Hubble parameters is zero. The physical and geometrical aspects of the model in the presence and absence of bulk viscosity are also discussed. Also, we have discussed two special models and their physical properties. From this, we present a particular example based on dust fluid.

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