## The evolution of the power law k-essence cosmology

22 Mar 2015  ·  Yang Rong-Jia, Chen Bohai, Li Jun, Qi Jingzhao ·

We investigate the evolution of the power law k-essence field in FRWL spacetime. The autonomous dynamical system and critical points are obtained... The corresponding cosmological parameters, such as $\Omega _{\phi }$ and $w_{\phi }$, are calculated at these critical points. We find it is possible to achieve an equation of state crossing through $-1$ for k-essence field. The results we obtained indicate that the power law k-essence dark energy model can be compatible with observations. read more

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General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics