Cosmology of a Lorentz violating Galileon theory

@article{Haghani2015CosmologyOA,
  title={Cosmology of a Lorentz violating Galileon theory},
  author={Zahra Haghani and Tiberiu Harko and Hamid Reza Sepangi and Shahab Shahidi},
  journal={Journal of Cosmology and Astroparticle Physics},
  year={2015},
  volume={2015},
  pages={022 - 022}
}
We modify the scalar Einstein-aether theory by breaking the Lorentz invariance of a gravitational theory coupled to a Galileon type scalar field. This is done by introducing a Lagrange multiplier term into the action, thus ensuring that the gradient of the scalar field is time-like, with unit norm. The theory can also be considered as an extension to the mimetic dark matter theory, by adding some derivative self interactions to the action, which keeps the equation of motion at most second order… 

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