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Updated: Jun 10, 2025

Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Comments on Global Symmetries and Anomalies of 5d SCFTs
Pietro Benetti Genolini1,2, Luigi Tizzano3,4
1Department of Applied Mathematics and Theoretical Physics, University of Cambridge, Wilberforce Road, Cambridge, CB3 OWA UK.
Abstract:
We study various aspects of global symmetries in five-dimensional superconformal field theories. Whenever a supersymmetry-preserving relevant deformation is available, the infrared gauge theory description might exhibit a finite order mixed 't Hooft anomaly between a 1-form symmetry and the instantonic symmetry. This anomaly constrains the flavor symmetry group acting faithfully on the SCFT and the consistency of certain RG flows. As an additional example, we consider the instructive case of three-dimensional SQED. Finally, we discuss the compatibility between conformal invariance and the presence of 1-form and 2-group global symmetries.
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