ACCELERATING UNIVERSES WITH SCALING DARK MATTER

@article{Chevallier2001ACCELERATINGUW,
  title={ACCELERATING UNIVERSES WITH SCALING DARK MATTER},
  author={M. Chevallier and D. Polarski},
  journal={International Journal of Modern Physics D},
  year={2001},
  volume={10},
  pages={213-224}
}
  • M. Chevallier, D. Polarski
  • Published 2001
  • Physics
  • International Journal of Modern Physics D
  • Friedmann–Robertson–Walker universes with a presently large fraction of the energy density stored in an X-component with wX<-1/3, are considered. We find all the critical points of the system for constant equations of state in that range. We consider further several background quantities that can distinguish the models with different wX values. Using a simple toy model with a varying equation of state, we show that even a large variation of wX at small redshifts is very difficult to observe… CONTINUE READING
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