Operator Coefficients for Composite Operators in the (ϕ4)4 Theory
Hidenori Sonoda
Abstract
In a previous paper we derived a relation between the operator product coefficients and anomalous dimensions. We explore this relation in the (ϕ4)4 theory and compute the coefficient functions in the products of ϕ2 and ϕ4 to first order in the parameter λ. The calculation results in two-loop beta functions.
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