Physics
Scientific paper
Dec 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008ijtp...47.3257a&link_type=abstract
International Journal of Theoretical Physics, Volume 47, Issue 12, pp.3257-3266
Physics
1
Massive Scalar Field, GÖ, Del Universe, Viscous Fluid And Heat Flow
Scientific paper
In this study, we have investigated the dynamics of non-static Gödel type rotating universe with massive scalar field, viscous fluid and heat flow in the presence of cosmological constant. For various cosmic matter forms, the behavior of the cosmological constant (Λ), shear ( η) and bulk ( ξ) viscosity coefficients and other kinematic quantities have studied in the early universe. We have showed the decay of massive scalar field in the non-static rotating Gödel type universe and we have obtained constant scalar field with and without source density. Also, we have investigated the effects of massive scalar field on the matter density and pressure. From solutions of the field equations, we have a cosmological model with non-zero expansion, shear, heat flux and rotation. Also some physical and geometrical aspects of the model discussed.
Aygun Sezgin
Tarhan İ.
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