Critical exponent: Difference between revisions

mean field theory doesn't apply to critical points
(scalar field)
(mean field theory doesn't apply to critical points)
 
:<math> \nu = \frac{1}{2}</math>
 
One of the major discoveries in the study of critical points is that mean field theory is completely wrong in the vicinity of critical points in two and three dimensions. In four dimensions, we have logarithmic corrections.