Geometrodynamics of variable-speed-of-light cosmologies

  title={Geometrodynamics of variable-speed-of-light cosmologies},
  author={B. Bassett and S. Liberati and C. Molina-Par{\'i}s and M. Visser},
  journal={Physical Review D},
  • B. Bassett, S. Liberati, +1 author M. Visser
  • Published 2000
  • Physics
  • Physical Review D
  • Variable-speed-of-light (VSL) cosmologies are currently attracting interest as an alternative to inflation. We investigate the fundamental geometrodynamic aspects of VSL cosmologies and provide several implementations which do not explicitly break Lorentz invariance (no ``hard'' breaking). These ``soft'' implementations of Lorentz symmetry breaking provide particularly clean answers to the question ``VSL with respect to what?.'' The class of VSL cosmologies we consider are compatible with both… CONTINUE READING
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