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arxiv: 1007.3005 · v2 · pith:VH25NZTVnew · submitted 2010-07-18 · 🌀 gr-qc

Dissipative Future Universe without Big Rip

classification 🌀 gr-qc
keywords chaplygindarkdissipativeenergyequationfracfutureomega
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The present study deals with dissipative future universe without big rip in context of Eckart formalism. The generalized chaplygin gas, characterized by equation of state $p=-\frac{A}{\rho^\frac{1}{\alpha}}$, has been considered as a model for dark energy due to its dark-energy-like evolution at late time. It is demonstrated that, if the cosmic dark energy behaves like a fluid with equation of state $p=\omega\rho$; $\omega < -1$, as well as chaplygin gas simultaneously then the big rip problem does not arises and the scale factor is found to be regular for all time.

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