Anomalies in time-ordered products and applications to the BV-BRST formulation of quantum gauge theories

@inproceedings{Frob2018AnomaliesIT,
  title={Anomalies in time-ordered products and applications to the BV-BRST formulation of quantum gauge theories},
  author={M. B. Frob},
  year={2018}
}
  • M. B. Frob
  • Published 2018
  • Physics, Mathematics
  • We show that every (graded) derivation on the algebra of free quantum fields and their Wick powers in curved spacetimes gives rise to a set of anomalous Ward identities for time-ordered products, with an explicit formula for their classical limit. We study these identities for the Koszul–Tate and the full BRST differential in the BV–BRST formulation of perturbatively interacting quantum gauge theories, and clarify the relation to previous results. In particular, we show that the quantum BRST… CONTINUE READING
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