Interacting model of new agegraphic dark energy: Cosmological evolution and statefinder diagnostic

Details Interacting model of new agegraphic dark energy: Cosmological evolution and statefinder diagnostic Interacting model of new agegraphic dark energy: Cosmological evolution and statefinder diagnostic

2009-11-15

arxiv.org/abs/0911.2838v2

Int.J.Mod.Phys.D19:21-35,2010

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

15 pages, 4 figures

Scientific paper

The statefinder diagnosic is a useful method for distinguishing different dark energy models. In this paper, we investigate the new agegraphic dark energy model with interaction between dark energy and matter component by using statefinder parameter pair $\{r, s\}$ and study its cosmological evolution. We plot the trajectories of the new agegraphic dark energy model for different interaction cases in the statefinder plane. As a result, the influence of the interaction on the evolution of the universe is shown in the statefinder diagrams.

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