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Bianchi-type; perfect fluid; lambda term

A self-consistent system of gravitational field with a binary mixture of perfect fluid and dark energy given by a cosmological constant has been considered in Bianchi Type-V universe. The perfect fluid is chosen to be obeying either the equation of state p=γρ with γ ε |0,1| or a van der Waals equation of state. The role of A-term in the evolution of the Bianchi Type-V universe has been studied.

T Singh¹ R Chaubey¹

1. Department of Applied Mathematics, Institute of Technology, Banaras Hindu University, Varanasi - 221 005, India

Published

September 2006

Manuscript received

4 October 2005

Manuscript revised

14 July 2006

Accepted

3 August 2006