paper

A functional perspective on emergent supersymmetry

arXiv:1705.08312 · doi:10.1007/JHEP12(2017)132

Abstract

We investigate the emergence of supersymmetry in the long-range behavior of three-dimensional parity-symmetric Yukawa systems. We discuss a renormalization approach that manifestly preserves supersymmetry whenever such symmetry is realized, and use it to prove that supersymmetry-breaking operators are irrelevant, thus proving that such operators are suppressed in the infrared. All our findings are illustrated with the aid of the -expansion and a functional variant of perturbation theory, but we provide numerical estimates of critical exponents that are based on the non-perturbative functional renormalization group.

28 pages, 2 figures; v2: published version, includes a new appendix

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