6d, N=(1,0) Coulomb Branch Anomaly Matching

@article{Intriligator20146dNC,
  title={6d, N=(1,0) Coulomb Branch Anomaly Matching},
  author={Kenneth A. Intriligator},
  journal={arXiv: High Energy Physics - Theory},
  year={2014}
}
6d QFTs are constrained by the analog of 't Hooft anomaly matching: all anomalies for global symmetries and metric backgrounds are constants of RG flows, and for all vacua in moduli spaces. We discuss an anomaly matching mechanism for 6d N=(1,0) theories on their Coulomb branch. It is a global symmetry analog of Green-Schwarz-West-Sagnotti anomaly cancellation, and requires the apparent anomaly mismatch to be a perfect square, $\Delta I_8={1\over 2}X_4^2$. Then $\Delta I_8$ is cancelled by… Expand
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