• DOI:10.1007/s00220-010-1162-0
Corpus ID: 115174246

Global Gauge Anomalies in Two-Dimensional Bosonic Sigma Models

@article{Gawdzki2011GlobalGA,
  title={Global Gauge Anomalies in Two-Dimensional Bosonic Sigma Models},
  author={K. Gawȩdzki and Rafał R. Suszek and Konrad Waldorf},
  journal={Communications in Mathematical Physics},
  year={2011},
  volume={302},
  pages={513-580}
}

K. Gawȩdzki, Rafał R. Suszek, Konrad Waldorf

Published 2011

Mathematics, Physics

Communications in Mathematical Physics

We revisit the gauging of rigid symmetries in two-dimensional bosonic sigma models with a Wess-Zumino term in the action. Such a term is related to a background closed 3-form H on the target space. More exactly, the sigma-model Feynman amplitudes of classical fields are associated to a bundle gerbe with connection of curvature H over the target space. Under conditions that were unraveled more than twenty years ago, the classical amplitudes may be coupled to the topologically trivial gauge… CONTINUE READING

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