A 3d disordered superconformal fixed point

Abstract

We initiate the study of a three dimensional disordered supersymmetric field theory. Specifically, we consider a $\mathcal{N}=2$ large $N$ Wess-Zumino like model with cubic superpotential involving couplings drawn from a Gaussian random ensemble. Taking inspiration from analyses of lower dimensional SYK like models we demonstrate that the theory flows to a strongly coupled superconformal fixed point in the infra-red. In particular, we obtain leading large $N$ spectral data and operator product coefficients at the critical point. Moreover, the analytic control accorded by the model allows us to compare our results against those derived in the conformal bootstrap program and demonstrate consistency with general expectations.

arXiv comment58 pages, 4 figures. v2: minor improvements

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• Spectrum of a Gross-Neveu Yukawa model with flavor disorder in $d=3$
• The onset of quantum chaos in disordered CFTs
• Ringdown in the SYK model