I remember an argument which says that closed to critical points all systems are universal in the sense that their behavior is described by the critical exponents and that these critical exponents depend only on the dimension of the system and the dimension of the order parameter.(adsbygoogle = window.adsbygoogle || []).push({});

I remember a diagram with space-dimension on the abscissa and order-parameter-dimension on the ordinate showing curves of constant critical exponent and several physical systems.

Does anybody know a reference or web resource for such a diagram?

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# Renormalization group and universality

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