Quantum gravity without Lorentz invariance

  title={Quantum gravity without Lorentz invariance},
  author={T. Sotiriou and M. Visser and S. Weinfurtner},
  journal={Journal of High Energy Physics},
  • T. Sotiriou, M. Visser, S. Weinfurtner
  • Published 2009
  • Physics
  • Journal of High Energy Physics
  • There has been a significant surge of interest in Hoyrava's model for 3+1 dimensional quantum gravity, this model being based on anisotropic scaling at a z = 3 Lifshitz point. Hoyrava's model, and its variants, show dramatically improved ultra- violet behaviour at the cost of exhibiting violation of Lorentz invariance at ultra- high momenta. Following up on our earlier note, Phys. Rev. Lett. 102 (2009) 251601 (arXiv:0904.4464 (hep-th)), we discuss in more detail our variant of Hoyrava's model… CONTINUE READING
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