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  Group field theory for quantum gravity minimally coupled to a scalar field

Li, Y., Oriti, D., & Zhang, M. (2017). Group field theory for quantum gravity minimally coupled to a scalar field. Classical and quantum gravity, 34(19): 195001. doi:10.1088/1361-6382/aa85d2.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-A98C-0 Version Permalink: http://hdl.handle.net/21.11116/0000-0002-F685-2
Genre: Journal Article

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1701.08719.pdf (Preprint), 841KB
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 Creators:
Li, Yang, Author
Oriti, Daniele1, Author              
Zhang, Mingyi, 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
 Abstract: We construct a group field theory model for quantum gravity minimally coupled to relativistic scalar fields, defining as well a corresponding discrete gravity path integral (and, implicitly, a coupled spin foam model) in its Feynman expansion. We also analyze a number of variations of the same model, the corresponding discrete gravity path integrals, its generalization to the coupling of multiple scalar fields and discuss its possible applications to the extraction of effective cosmological dynamics from the full quantum gravity formalism, in the context of group field theory condensate cosmology.

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 Dates: 2017-01-302017-03-072017
 Publication Status: Published in print
 Pages: 41 pages, 2 figures
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1701.08719
URI: http://arxiv.org/abs/1701.08719
DOI: 10.1088/1361-6382/aa85d2
 Degree: -

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Title: Classical and quantum gravity
Source Genre: Journal
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Publ. Info: Bristol, U.K. : Institute of Physics
Pages: - Volume / Issue: 34 (19) Sequence Number: 195001 Start / End Page: - Identifier: ISSN: 0264-9381
CoNE: /journals/resource/954925513480_1