2022
DOI: 10.48550/arxiv.2204.09025
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Non-invertible Condensation, Duality, and Triality Defects in 3+1 Dimensions

Abstract: We discuss a variety of codimension-one, non-invertible topological defects in general 3+1d QFTs with a discrete one-form global symmetry. These include condensation defects from higher gauging of the one-form symmetries on a codimension-one manifold, each labeled by a discrete torsion class, and duality and triality defects from gauging in half of spacetime. The universal fusion rules between these non-invertible topological defects and the one-form symmetry surface defects are determined. Interestingly, the … Show more

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Cited by 19 publications
(83 citation statements)
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References 82 publications
(226 reference statements)
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“…(More precisely, the fusion coefficient is the partition function of the TQFT T evaluated on the three-manifold M .) Similar fusion algebras over TQFT coefficients have recently been explored in [32,35].…”
Section: Non-invertible Fusion Algebra Over Tqft Coefficientsmentioning
confidence: 98%
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“…(More precisely, the fusion coefficient is the partition function of the TQFT T evaluated on the three-manifold M .) Similar fusion algebras over TQFT coefficients have recently been explored in [32,35].…”
Section: Non-invertible Fusion Algebra Over Tqft Coefficientsmentioning
confidence: 98%
“…In the past year, non-invertible symmetries have been constructed in many familiar continuum and lattice gauge theories in higher than two spacetime dimensions [30,31,29,[32][33][34][35][36]. These non-invertible symmetries are realized by gauging a higher-form global symmetry in either half of the spacetime [31,29,34,35], or on a higher-codimensional submanifold [32]. The operators D p N in QED in this paper are realized from generalizations of such gauging constructions.…”
Section: Introductionmentioning
confidence: 99%
“…In 2+1d, the non-abelian anyons in a low-energy TQFT, described by the theory of modular tensor categories, can be viewed as the non-invertible generalization of one-form global symmetries (see [104][105][106][107]41] for recent discussions). Recently, the non-invertible Kramer-Wannier duality defects have been generalized to 3+1d gauge theories [108,109,102,110,47,111,112] via the gauging of higherform global symmetries. More generally, in any theory with a higher-form symmetry, the most fundamental non-invertible symmetries are condensation defects [42][43][44][45][46] arising from higher gauging [41].…”
Section: Non-invertible Symmetriesmentioning
confidence: 99%
“…Condensation defects in 2+1d were systematically analyzed in [41], generalizing the results of [85,113]. The non-invertible fusion "coefficients" of these n-dimensional topological defects are generally not numbers, but n-dimensional TQFTs [41,47]. More recently, infinitely many non-invertible global symmetries were identified in the Standard Model and axion models from ABJ anomalies [8,9].…”
Section: Non-invertible Symmetriesmentioning
confidence: 99%
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