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't Hooft anomalies and boundaries by Jensen, Kristan; Shaverin, Evgeny; Yarom, Amos is a scholarly article available to read on EtoBox.

What is 't Hooft anomalies and boundaries about?

We argue that there is an obstruction to placing theories with 't Hooft anomalies on manifolds with a boundary, unless the symmetry associated with the anomaly can be represented as a non-invariance under an Abelian transformation. For a two dimensional conformal field theory we further demonstrate that all anomalies except the usual trace anomaly are incompatible on a manifold with a boundary. Our findings extend a known result whereby, under mild assumptions, Lagrangian theories with chiral matter cannot be canonically quantized.

Author

Jensen, Kristan; Shaverin, Evgeny; Yarom, Amos

Published

2017

Language

EN