PIRSA:09090008 Scientific Series Cosmology

DOI10.48660/09090008

Series: Cosmology and Gravitation

Mukohyama, S. (2009). Aspects of Horava-Lifshitz Cosmology. Perimeter Institute. https://pirsa.org/09090008

Mukohyama, Shinji. Aspects of Horava-Lifshitz Cosmology. Perimeter Institute, Sep. 15, 2009, https://pirsa.org/09090008 

@misc{ pirsa_PIRSA:09090008,
  doi = {10.48660/09090008},
  url = {https://pirsa.org/09090008},
  author = {Mukohyama, Shinji},
  keywords = {Cosmology},
  language = {en},
  title = {Aspects of Horava-Lifshitz Cosmology},
  publisher = {Perimeter Institute},
  year = {2009},
  month = {sep},
  note = {PIRSA:09090008 see, \url{https://pirsa.org}}
}

Abstract

In the first half of this talk I will review the basic idea of the power-counting renormalizable theory of gravitation recently proposed by Horava. In the second half I will talk about some cosmological implications of the theory. In particular, I will show that the anisotropic scaling with a dynamical critical exponent z=3 leads to generation of scale-invariant cosmological perturbations and that the absence of local Hamiltonian constraint leads to a component similar to cold dark matter as integration ""constant""."

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