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  Effective loop quantum cosmology as a higher-derivative scalar-tensor theory

Liu, H., Noui, K., Wilson-Ewing, E., & Langlois, D. (2017). Effective loop quantum cosmology as a higher-derivative scalar-tensor theory. Classical and Quantum Gravity, 34(22): 225004. doi:10.1088/1361-6382/aa8f2f.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-211C-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F69F-6
Genre: Journal Article

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 Creators:
Liu, Hongguang, Author
Noui, Karim, Author
Wilson-Ewing, Edward1, Author              
Langlois, David, Author
Affiliations:
1Quantum Gravity & Unified Theories, AEI-Golm, MPI for Gravitational Physics, Max Planck Society, ou_24014              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc,High Energy Physics - Theory, hep-th
 Abstract: Recently, Chamseddine and Mukhanov introduced a higher-derivative scalar-tensor theory which leads to a modified Friedmann equation allowing for bouncing solutions. As we note in the present work, this Friedmann equation turns out to reproduce exactly the loop quantum cosmology effective dynamics for a flat isotropic and homogeneous space-time. We generalize this result to obtain a class of scalar-tensor theories, belonging to the family of mimetic gravity, which all reproduce the loop quantum cosmology effective dynamics for flat, closed and open isotropic and homogeneous space-times.

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 Dates: 2017-03-312017
 Publication Status: Published in print
 Pages: 19 pages
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 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1703.10812
URI: http://arxiv.org/abs/1703.10812
DOI: 10.1088/1361-6382/aa8f2f
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Title: Classical and Quantum Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 34 (22) Sequence Number: 225004 Start / End Page: - Identifier: -