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Can we make sense out of "Tensor Field Theory"?

Vincent Rivasseau, Fabien Vignes-Tourneret

SciPost Phys. Core 4, 029 (2021) · published 11 November 2021

Abstract

We continue the constructive program about tensor field theory through the next natural model, namely the rank five tensor theory with quartic melonic interactions and propagator inverse of the Laplacian on $U(1)^5$. We make a first step towards its construction by establishing its power counting, identifying the divergent graphs and performing a careful study of (a slight modification of) its RG flow. Thus we give strong evidence that this just renormalizable tensor field theory is non perturbatively asymptotically free.


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