Anomalous Supersymmetry Breaking by Instantons
classification
✦ hep-th
hep-lathep-ph
keywords
supersymmetricanomalousbreakingexpansioninstantonsarisesattemptbecause
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We show that instantons violate a supersymmetric identity in a classically supersymmetric Higgs model with no massless fermions. This anomalous breaking arises because the correct perturbative expansion in the instanton sector is not supersymmetric. The attempt to construct a manifestly supersymmetric expansion generates infra-red divergences.
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