Bouncing Cosmological Models:. Theory and Perspectives

Details Bouncing Cosmological Models:. Theory and Perspectives Bouncing Cosmological Models:. Theory and Perspectives

Feb 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005tmgm.meet..788p&link_type=abstract

The Tenth Marcel Grossmann Meeting. Proceedings of the MG10 Meeting held at Brazilian Center for Research in Physics (CBPF), Rio

Physics

Scientific paper

In the past few years, there has been an increasing interest on bouncing cosmological models. In this contribution, I first describe the conditions for the occurrence of bounces in the far past of the Standard Cosmological Model. I enumerate the matter models and theories containing General Relativity in which these conditions can be fulfilled. Then, I describe the evolution of cosmological perturbations in such bouncing models, I discuss how a scale invariant spectrum of perturbations can be obtained in this framework, and whether it is possible to verify observationally if our Universe has ever experienced a bounce. Finally, I make a critical comparison between bouncing and usual inflationary models.

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