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arXiv · hep-th/9908074

Feynman rules for non-perturbative sectors and anomalous supersymmetry Ward identities

A. Casher·Y. Shamir
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Abstract

We show that supersymmetry Ward identities contain an anomalous term which takes the form of a surface term in Hilbert space. In the one-instanton sector the anomalous term is the integral of a total rho-derivative where rho is the instanton's size. There are cases where the anomalous term is non-zero, and cannot be modified by subtractions. This constitutes a supersymmetry anomaly. The derivation is based on Feynman rules suitable for any non-perturbative sector of a weakly-coupled, renormalizable gauge theory.

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A. Casher, Y. Shamir. 1999-08-09. Feynman rules for non-perturbative sectors and anomalous supersymmetry Ward identities. https://arxiv.org/abs/hep-th/9908074

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