Renormalization of a SU(2) Tensorial Group Field Theory in Three Dimensions |
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Authors: | Sylvain Carrozza Daniele Oriti Vincent Rivasseau |
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Institution: | 1. Laboratoire de Physique Théorique, CNRS UMR 8627, Université Paris Sud, 91405, Orsay Cedex, France 2. Max Planck Institute for Gravitational Physics, Albert Einstein Institute, Am Mühlenberg 1, 14476, Golm, Germany 3. Perimeter Institute, Waterloo, Canada
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Abstract: | We address in this paper the issue of renormalizability for SU(2) Tensorial Group Field Theories (TGFT) with geometric Boulatov-type conditions in three dimensions. We prove that interactions up to ? 6-tensorial type are just renormalizable without any anomaly. Our new models define the renormalizable TGFT version of the Boulatov model and provide therefore a new approach to quantum gravity in three dimensions. Among the many new technical results established in this paper are a general classification of just renormalizable models with gauge invariance condition, and in particular concerning properties of melonic graphs, the second order expansion of melonic two point subgraphs needed for wave-function renormalization. |
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