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Vacuum structure of bifundamental gauge theories at finite topological angles
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abstract
We discuss possible vacuum structures of $SU(n)\times SU(n)$ gauge theories with bifundamental matters at finite $\theta$ angles. In order to give a precise constraint, a mixed 't Hooft anomaly is studied in detail by gauging the center $\mathbb{Z}_n$ one-form symmetry of the bifundamental gauge theory. We propose phase diagrams that are consistent with the constraints, and also give a heuristic explanation of the result based on the dual superconductor scenario of confinement.
Forward citations
Cited by 3 Pith papers
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2d Cardy-Rabinovici model with the modified Villain lattice: Exact dualities and symmetries
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