Critical exponent: Difference between revisions

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and a lot of similar relations, which implies that there are only two independent exponents, e.g., <math>\,\nu</math> and {{nowrap|<math>\eta\,</math>.}} All this follows from the theory of the [[renormalization group]].
 
== Anisotropy ==
 
There are some [[anisotropic]] systems where the correlation length is direction dependent.