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  The universe as a quantum gravity condensate

Oriti, D. (2017). The universe as a quantum gravity condensate. Comptes Rendus Physique, 18(3-4), 235-245. doi:10.1016/j.crhy.2017.02.003.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-37EE-A Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F97D-A
Genre: Journal Article

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1612.09521.pdf (Preprint), 248KB
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 Creators:
Oriti, Daniele1, Author              
Affiliations:
1Microscopic Quantum Structure & Dynamics of Spacetime, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_67201              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc,High Energy Physics - Theory, hep-th
 Abstract: This is an introduction to the approach to the extraction of cosmological dynamics from full quantum gravity based on group field theory condensates. We outline its general perspective, which sees cosmology as the hydrodynamics of the fundamental quantum gravity degrees of freedom, as well as its concrete implementation within the group field theory formalism. We summarise recent work showing the emergence of a bouncing cosmological dynamics from a fundamental group field theory model, and provide a brief but complete survey of other results in the literature. Finally, we discuss open issues and directions for further research.

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 Dates: 2016-12-302017
 Publication Status: Published in print
 Pages: 20 pages; extended version of the invited contribution to the special issue "Testing Quantum Gravity with Cosmology" of Comptes rendus Physique, Acad\'emie des sciences, Paris, edited by A. Barrau
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 Identifiers: arXiv: 1612.09521
URI: http://arxiv.org/abs/1612.09521
DOI: 10.1016/j.crhy.2017.02.003
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Title: Comptes Rendus Physique
Source Genre: Journal
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Pages: - Volume / Issue: 18 (3-4) Sequence Number: - Start / End Page: 235 - 245 Identifier: -