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The European Physical Journal C

, Volume 67, Issue 1–2, pp 229–235 | Cite as

Hořava–Lifshitz dark energy

Regular Article - Theoretical Physics

Abstract

We formulate Hořava–Lifshitz cosmology with an additional scalar field that leads to an effective dark energy sector. We find that, due to the inherited features from the gravitational background, Hořava–Lifshitz dark energy naturally presents very interesting behaviors, possessing a varying equation-of-state parameter, exhibiting phantom behavior and allowing for a realization of the phantom divide crossing. In addition, Hořava–Lifshitz dark energy guarantees for a bounce at small scale factors and it may trigger the turnaround at large scale factors, leading naturally to cyclic cosmology.

Keywords

Dark Energy Cosmological Constant High Energy Phys Additional Scalar Dark Radiation 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag / Società Italiana di Fisica 2010

Authors and Affiliations

  1. 1.Department of PhysicsUniversity of AthensAthensGreece

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