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  Spin foam models with finite groups

Bahr, B., Dittrich, B., & Ryan, J. P. (2013). Spin foam models with finite groups. Journal of Gravity, 2013: 549824. doi:10.1155/2013/549824.

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1103.6264 (Preprint), 547KB
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 Creators:
Bahr, Benjamin1, Author              
Dittrich, Bianca1, Author              
Ryan, James P.1, Author              
Affiliations:
1Canonical and Covariant Dynamics of Quantum Gravity, AEI Golm, MPI for Gravitational Physics, Max Planck Society, ou_102878              

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Free keywords: General Relativity and Quantum Cosmology, gr-qc,High Energy Physics - Theory, hep-th,Quantum Physics, quant-ph
 Abstract: Spin foam models, loop quantum gravity and group field theory are discussed as quantum gravity candidate theories and usually involve a continuous Lie group. We advocate here to consider quantum gravity inspired models with finite groups, firstly as a test bed for the full theory and secondly as a class of new lattice theories possibly featuring an analogue diffeomorphism symmetry. To make these notes accessible to readers outside the quantum gravity community we provide an introduction to some essential concepts in the loop quantum gravity, spin foam and group field theory approach and point out the many connections to lattice field theory and condensed matter systems.

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 Dates: 2011-03-312013
 Publication Status: Published online
 Pages: 47 pages, 6 figures
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Title: Journal of Gravity
Source Genre: Journal
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Pages: - Volume / Issue: 2013 Sequence Number: 549824 Start / End Page: - Identifier: -