Interacting Dark Energy in Hořava-Lifshitz Cosmology
arXiv:0909.0456 · doi:10.1007/s10509-011-0955-8
Abstract
In the usual Hořava-Lifshitz cosmological models, the scalar field is responsible for dark matter. Using an additional scalar field, Saridakis \cite{sari} has formulated Hořava-Lifshitz cosmology with an effective dark energy sector. In the paper \cite{sari} the scalar fields do not interact with each other, here we extend this work to the interacting case, where matter scalar field interact with dark energy scalar field . We will show that in contrast with \cite{sari}, where -filed is absent, we can obtain , that is we result to an effective dark energy presenting phantom behaviour. This behaviour is pure effect of the interaction.
10 pages, no figure
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