Comments on the Fayet-Iliopoulos term in field theory and supergravity

  title={Comments on the Fayet-Iliopoulos term in field theory and supergravity},
  author={Zohar Komargodski and Nathan Seiberg},
  journal={Journal of High Energy Physics},
A careful analysis of the Fayet-Iliopoulos (FI) model shows that its energy momentum tensor and supersymmetry current are not gauge invariant. Since the corresponding charges are gauge invariant, the model is consistent. However, our observation about the currents gives a new perspective on its restrictive renormalization group flow and explains why FI-terms never appear in dynamical supersymmetry breaking. This lack of gauge invariance is at the root of the complications of coupling the model… 

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