+A universality class groups diverse physical systems that display identical behavior near a [Phase Transition](/wiki/phase_transition), regardless of their microscopic specifics. This remarkable phenomenon, explained by the [Renormalization Group](/wiki/renormalization_group), means they share the same critical exponents.
+## See also
+- [Critical Exponent](/wiki/critical_exponent)
+- [Statistical Mechanics](/wiki/statistical_mechanics)
+- [Scaling](/wiki/scaling)
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