't Hooft Anomaly Matching Conditions for Generalized Symmetries in 2D

Details 't Hooft Anomaly Matching Conditions for Generalized Symmetries in 2D 't Hooft Anomaly Matching Conditions for Generalized Symmetries in 2D

1997-07-02

arxiv.org/abs/hep-th/9707036v2

Phys.Lett. B413 (1997) 349-354

Physics

High Energy Physics

High Energy Physics - Theory

10 pages, TeX, corrected minor misprints in text and references

Scientific paper

10.1016/S0370-2693(97)01107-6

The 't Hooft anomaly matching conditions are a standard tool to study and test non-perturbative issues in quantum field theory. We give a new, simple proof of the anomaly matching conditions in 2D Poincare` invariant theories. We consider the case of invariance under a large class of generalized symmetries, which include abelian and non-abelian internal symmetries, space-time symmetries generated by the stress tensor, and W-type of symmetries generated by higher spin currents.

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