THE RETURN OF THE PHOENIX UNIVERSE

@article{Lehners2009THERO,
  title={THE RETURN OF THE PHOENIX UNIVERSE},
  author={Jean-Luc Lehners and Paul J. Steinhardt and Neil Turok},
  journal={International Journal of Modern Physics D},
  year={2009},
  volume={18},
  pages={2231-2235}
}
Georges Lemaitre introduced the term "phoenix universe" to describe an oscillatory cosmology with alternating periods of gravitational collapse and expansion. This model is ruled out observationally, because it requires a supercritical mass density and cannot accommodate dark energy. However, a new cyclic theory of the universe has been proposed that evades these problems. In a recent elaboration of this picture, almost the entire universe observed today is fated to become entrapped inside… 
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