PIRSA:17060108 Conference Cosmology

DOI10.48660/17060108

Conference/School: Bounce Scenarios in Cosmology

Sakellariadou, M. (2017). Cosmological implications of quantum gravity proposals. Perimeter Institute. https://pirsa.org/17060108

Sakellariadou, Mairi. Cosmological implications of quantum gravity proposals. Perimeter Institute, Jun. 28, 2017, https://pirsa.org/17060108 

@misc{ pirsa_PIRSA:17060108,
  doi = {10.48660/17060108},
  url = {https://pirsa.org/17060108},
  author = {Sakellariadou, Mairi},
  keywords = {Cosmology},
  language = {en},
  title = {Cosmological implications of quantum gravity proposals},
  publisher = {Perimeter Institute},
  year = {2017},
  month = {jun},
  note = {PIRSA:17060108 see, \url{https://pirsa.org}}
}

Abstract

I will highlight cosmological consequences of Group Field theory Condensate Cosmology and Emergent Gravity on Non-commutative Spaces, two cosmological models based on a top-down and a bottom-up, respectively, approaches to quantum gravity. In particular, I will show that the initial singularity of the standard cosmology is replaced by a bounce, while there is an inflation-like phase with a graceful exit, driven by a purely geometrical mechanism which does not require the introduction of an ad-hoc scalar field.

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