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2009

Phase-space analysis of Horava-Lifshitz cosmology

Leon, Genly, Saridakis, Emmanuel N.

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We perform a detailed phase-space analysis of Horava-Lifshitz cosmology, with and without the detailed-balance condition.

Under detailed-balance we find that the universe can reach a bouncing-oscillatory state at late times, in which dark-energy, behaving as a simple cosmological constant, is dominant.
In the case where the detailed-balance condition is relaxed, we find that the universe reaches an eternally expanding, dark-energy-dominated solution, with the oscillatory state preserving also a small probability.
Although this analysis indicates that Horava-Lifshitz cosmology can be compatible with observations, it does not enlighten the discussion about its possible conceptual and theoretical problems.

Phase-space analysis of Horava-Lifshitz cosmology · Around

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Then

P. Horava, Phys. Rev. D 79
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U. H. Danielsson and L. Thorlacius, JHEP 0903
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X. m. Chen, Y. g. Gong and E. N. Saridakis, JCAP 0904
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