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Physical Review D
We outline a general strategy developed for the analysis of critical models, which we apply to obtain a heuristic classification of all universality classes with up to three field-theoretical scalar order parameters in d ¼ 6 − ϵ dimensions. As expected by the paradigm of universality, each class is uniquely characterized by its symmetry group and by a set of its scaling properties, neither of which are built-in by the formalism but instead emerge nontrivially as outputs of our computations. Fordoi:10.1103/physrevd.101.065002 fatcat:fzeks6ngtrfzvj7l2b5bzeyfra