Bulk viscous string cloud with strange quark matter in Brans-Dicke theory

Plane symmetric cosmologies with strange quark matter attached to the string cloud with bulk viscous fluid are studied in the context of Brans-Dicke theory. For the determinate solution, we have considered the geometric string ( ρ = ρ s ) and the sum of the energy density and tension density of visc...

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Bibliographic Details
Published in:European physical journal plus 2014-07, Vol.129 (7), p.141, Article 141
Main Authors: Mahanta, K. L., Biswal, A. K., Sahoo, P. K.
Format: Article
Language:English
Subjects:
Applied and Technical Physics
Astronomical models
Atomic
Complex Systems
Condensed Matter Physics
Deceleration
Mathematical and Computational Physics
Molecular
Optical and Plasma Physics
Physics
Physics and Astronomy
Quarks
Regular Article
Strings
Theoretical
Universe
Viscous fluids
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Summary:Plane symmetric cosmologies with strange quark matter attached to the string cloud with bulk viscous fluid are studied in the context of Brans-Dicke theory. For the determinate solution, we have considered the geometric string ( ρ = ρ s ) and the sum of the energy density and tension density of viscous string dust sources vanishes ( ρ + ρ s = 0). Further we have considered the deceleration parameter to be constant and shear scalar proportional to the expansion scalar. We found that the universe models maintain anisotropic nature throughout the evolution and they correspond to accelerated expanding universe.
ISSN:2190-5444
2190-5444
DOI:10.1140/epjp/i2014-14141-0