
arXiv: 2112.14485
We formulate the notion of quantum group symmetry of the Hamiltonian corresponding to the Potts model and compute it for few simple models. Our examples illustrate how a slight change of the model parameter may result in a drastic change of the quantum symmetry group (in some cases, the classical symmetry group remains unaffected), signifying a case of phase transition.
Subfactors and their classification, Other ``noncommutative'' mathematics based on \(C^*\)-algebra theory, Mathematics - Quantum Algebra, FOS: Mathematics, Quantum Algebra (math.QA), 81R50 (Primary), 82B26, 81R60 (Secondary), Quantum equilibrium statistical mechanics (general), Quantum groups and related algebraic methods applied to problems in quantum theory
Subfactors and their classification, Other ``noncommutative'' mathematics based on \(C^*\)-algebra theory, Mathematics - Quantum Algebra, FOS: Mathematics, Quantum Algebra (math.QA), 81R50 (Primary), 82B26, 81R60 (Secondary), Quantum equilibrium statistical mechanics (general), Quantum groups and related algebraic methods applied to problems in quantum theory
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