Cosmic evolution in a cyclic universe

  title={Cosmic evolution in a cyclic universe},
  author={Paul J. Steinhardt and Neil Turok},
Based on concepts drawn from the ekpyrotic scenario and M-theory, we elaborate our recent proposal of a cyclic model of the Universe. In this model, the Universe undergoes an endless sequence of cosmic epochs which begin with the Universe expanding from a ‘big bang’ and end with the Universe contracting to a ‘big crunch.’ Matching from ‘big crunch’ to ‘big bang’ is performed according to the prescription recently proposed with Khoury, Ovrut and Seiberg. The expansion part of the cycle includes… CONTINUE READING