Pure kinetic k-essence as the cosmic speed-up

Details Pure kinetic k-essence as the cosmic speed-up Pure kinetic k-essence as the cosmic speed-up

2010-08-04

arxiv.org/abs/1008.0779v3

International Journal of Theoretical Physics. 50:1876-1886, 2011

Astronomy and Astrophysics

Astrophysics

Cosmology and Extragalactic Astrophysics

10 pages, typos corrected, main results remain the same, minor changes to match IJTP accepted version

Scientific paper

10.1007/s10773-011-0703-4

In this paper, we consider three types of k-essence. These k-essence models
were presented in the parametric forms. The exact analytical solutions of the
corresponding equations of motion are found. It is shown that these k-essence
models for the presented solutions can give rise to cosmic acceleration.

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