what is the exact meaning of mean field approximation works above a critical dimensio

Nov12-12, 10:26 AM

#1

wdlang	what is the exact meaning of mean field approximation works above a critical dimensio Tweet what does it means exactly? take the d-dimensional ising model as an example suppose d>d_c does it mean that the critical temperature is correctly captured by the mean field theory? or does it just mean that the critical indices are correctly captured by the mean field theory?

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