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cond-mat.str-el2026
Fermionic Anomalies of Finite Symmetries on Lattices
Ameya Chavda, Ryohei Kobayashi
We develop a lattice characterization of fermionic 't Hooft anomalies of finite internal symmetries in one and two spatial dimensions, formulated in terms of obstructions to symmet…
cond-mat.str-el2026
Algebras of order parameters in one-dimensional spin systems
Ameya Chavda, Clement Delcamp, Alex Turzillo +1
We study order parameters in one-dimensional quantum lattice models with finite invertible or non-invertible symmetry. We investigate what properties a string operator must satisfy…