paper

Non-Invertible Symmetries of SYM and Twisted Compactification

arXiv:2205.01104 · doi:10.1007/JHEP08(2022)053

Abstract

Non-invertible symmetries have recently been understood to provide interesting contraints on RG flows of QFTs. In this work, we show how non-invertible symmetries can also be used to generate entirely new RG flows, by means of so-called "non-invertible twisted compactification". We illustrate the idea in the example of twisted compactifications of 4d super-Yang-Mills (SYM) to three dimensions. After giving a catalogue of non-invertible symmetries descending from Montonen-Olive duality transformations of 4d SYM, we show that twisted compactification by non-invertible symmetries can be used to obtain 3d theories which appear otherwise unreachable if one restricts to twists by invertible symmetries.

53 pages, 12 figures, 18 tables

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