= Kenneth G. Wilson
{c}
{tag=Physicist}
{wiki}
= Kenneth Geddes Wilson
{c}
{synonym}
= K. G. Wilson
{c}
{synonym}
<Kenneth G. Wilson> developed the <renormalization group> as a quantitative method for studying a <critical phenomenon>. Repeatedly changing the length scale reorganizes a model's parameters, exposing fixed points and the perturbations that grow or shrink near them. With <Michael Ellis Fisher>, he calculated <critical exponents> by expanding about four spatial dimensions. This explains why systems with different microscopic details can share critical behavior and gives controlled corrections to simple mean-field predictions.<Critical Exponents in 3.99 Dimensions by Kenneth Geddes Wilson and Michael Ellis Fisher>[Physical Review Letters 28, 240 (1972), small-epsilon expansion]{ref}
A <physicist>.<Professional profile of Kenneth Geddes Wilson>[Independent professional identity]{ref}
\Image[https://news.cornell.edu/sites/chronicle.cornell/files/WilsonObit1.jpg]
{title=Portrait of <Kenneth Geddes Wilson>}
{width=240}
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