On Infrared Universality in Massive Theories. Another Example
Konstantin Selivanov
Abstract
The infrared behaviour of the ϕ3-theory is discussed stressing analogies with the Witten-Seiberg story about N=2 QCD. Though the microscopic theory is apparently not integrable, the effective theory is shown to be integrable at classical level, and a general solution of it in terms of hypergeometric functions is obtained. An effective theory for the multiparticle soft scattering is sketched.
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