The Barrett–Crane model: asymptotic measure factor

DOI10.1088/0264-9381/31/7/075014zbMath1291.83169arXiv1310.2957OpenAlexW2160129637MaRDI QIDQ5416477

Wojciech Kamiński, Sebastian Steinhaus

Publication date: 20 May 2014

Published in: Classical and Quantum Gravity (Search for Journal in Brave)

Full work available at URL: https://arxiv.org/abs/1310.2957

zbMATH Keywords

Barrett-Crane modelspin foam modelsasymtotic expansion

Mathematics Subject Classification ID

Quantum field theory on curved space or space-time backgrounds (81T20) Quantization of the gravitational field (83C45) Spinor and twistor methods in general relativity and gravitational theory; Newman-Penrose formalism (83C60)

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Coherent states, 6j symbols and properties of the next to leading order asymptotic expansions ⋮ Time evolution as refining, coarse graining and entangling ⋮ The Hessian in spin foam models ⋮ Asymptotic analysis of the EPRL model with timelike tetrahedra ⋮ Emergent cosmology from quantum gravity in the Lorentzian Barrett-Crane tensorial group field theory model

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