Astronomy and Astrophysics – Astrophysics
Scientific paper
2005-10-24
Int.J.Mod.Phys.D15:215-224,2006
Astronomy and Astrophysics
Astrophysics
10 pages, 4 eps figures, ws-ijmpd.cls style
Scientific paper
10.1142/S0218271806007675
We consider a class of five-dimensional cosmological solutions which contains two arbitrary function $\mu(t)$ and $\nu(t)$. We found that the arbitrary function $\mu(t)$ contained in the solutions can be rewritten in terms of the redshift $z$ as a new arbitrary function $f(z)$. We further showed that this new arbitrary function $f(z)$ could be solved out for four known parameterized equations of state of dark energy. Then the $5D$ models can be reconstructed and the evolution of the density and deceleration parameters of the universe can be determined.
Liu Hongya
Xu Lixin
Zhang Chengwu
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