A Completely Invariant SUSY Transform of Supersymmetric QED

Details A Completely Invariant SUSY Transform of Supersymmetric QED A Completely Invariant SUSY Transform of Supersymmetric QED

2003-10-10

arxiv.org/abs/hep-th/0310098v1

J.Phys. G30 (2004) 1219-1224

Physics

High Energy Physics

High Energy Physics - Theory

Scientific paper

10.1088/0954-3899/30/9/019

We study the SUSY breaking of the covariant gauge-fixing term in SUSY QED and observe that this corresponds to a breaking of the Lorentz gauge condition by SUSY. Reasoning by analogy with SUSY's violation of the Wess-Zumino gauge, we argue that the SUSY transformation, already modified to preserve Wess-Zumino gauge, should be further modified by another gauge transformation which restores the Lorentz gauge condition. We derive this modification and use the resulting transformation to derive a Ward identitiy relating the photon and photino propagators without using ghost fields. Our transformation also fulfills the SUSY algebra, modulo terms that vanish in Lorentz gauge.

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