Turnaround in cyclic cosmology.

@article{Baum2007TurnaroundIC,
  title={Turnaround in cyclic cosmology.},
  author={L. Baum and P. Frampton},
  journal={Physical review letters},
  year={2007},
  volume={98 7},
  pages={
          071301
        }
}
It is speculated how dark energy in a brane world can help reconcile an infinitely cyclic cosmology with the second law of thermodynamics. A cyclic model is described, in which dark energy with w<-1 equation of state leads to a turnaround at a time, extremely shortly before the would-be big rip, at which both volume and entropy of our Universe decrease by a gigantic factor, while very many independent similarly small contracting universes are spawned. The entropy of our model decreases almost… Expand
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