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  • Bhardwaj, Lakshya, et al. (author)
  • Unifying constructions of non-invertible symmetries
  • 2023
  • In: SciPost Physics. - : SciPost Foundation. - 2542-4653. ; 15:3
  • Journal article (peer-reviewed)abstract
    • In the past year several constructions of non-invertible symmetries in Quantum Field Theory in d ≥ 3 have appeared. In this paper we provide a unified perspective on these constructions. Central to this framework are so-called theta defects, which generalize the notion of theta-angles, and allow the construction of universal and non-universal topological symmetry defects. We complement this physical analysis by proposing a mathematical framework (based on higher-fusion categories) that converts the physical construction of non-invertible symmetries into a concrete computational scheme.
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Type of publication
journal article (1)
Type of content
peer-reviewed (1)
Author/Editor
Tiwari, Apoorv (1)
Schäfer-Nameki, Saku ... (1)
Bhardwaj, Lakshya (1)
University
Royal Institute of Technology (1)
Language
English (1)
Research subject (UKÄ/SCB)
Natural sciences (1)
Year
2023 (1)

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