Bianchi type-V bulk viscous cosmological models with particle creation in Brans-Dicke theory

被引：11

作者：

Chaubey, R. ^{[1
]}

机构：

[1] Banaras Hindu Univ, Fac Sci, DST Ctr Interdisciplinary Math Sci, Varanasi 221005, Uttar Pradesh, India

来源：

ASTROPHYSICS AND SPACE SCIENCE | 2012年 / 342卷 / 02期

关键词：

Cosmological models; Bulk viscosity; Particle creation; KANTOWSKI-SACHS UNIVERSES; SCALAR-TENSOR THEORY; LAMBDA-TERM; VIO; VISCOSITY; CONSTANT; GRAVITATION; PARAMETER; FLUID;

D O I：

10.1007/s10509-012-1168-5

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Bianchi type-V cosmological model with viscous fluid and creation particle in Brans-Dicke theory has been considered. The present paper deals with Bianchi type-V cosmological model with bulk viscosity and particle creation described by full causal thermodynamics in Brans-Dicke theory. We have discussed two types of solutions of the average scale factor for a Bianchi type-V model by using a variation law of Hubble's parameter, which yields a constant value of the deceleration parameter. The exact solutions to the corresponding field equations are obtained in quadrature form. The solutions to the Einstein field equations are obtained for power law and exponential form. The cosmological parameters have been discussed in detail.

引用

页码：499 / 509

页数：11

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