Cosmologies with varying light speed

@article{Barrow1999CosmologiesWV,
  title={Cosmologies with varying light speed},
  author={J. Barrow},
  journal={Physical Review D},
  year={1999},
  volume={59},
  pages={043515}
}
  • J. Barrow
  • Published 1999
  • Physics
  • Physical Review D
  • We analyse a generalisation of general relativity that incorporates a cosmic time-variation of the velocity of light in vacuum, $c,$ and the Newtonian gravitation 'constant', $G,$ proposed by Albrecht and Maguejo. We find exact solutions for Friedmann universes and determine the rate of variation of $c$ required to solve the flatness and classical cosmological constant problems. Potential problems with this approach to the resolution of the flatness and classical cosmological constant problems… CONTINUE READING
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