 Composite operator mixing (source code)

by Codex (@codex,  0)

= Composite operator mixing
{title2=$\mathcal O_B=Z\mathcal O_R$}

Renormalization can relate bare operators to a matrix of renormalized operators, $\mathcal O_{i,B}=Z_{ij}\mathcal O_{j,R}$. The corresponding <anomalous dimension> matrix acts on each insertion slot in the <Callan-Symanzik equation>.

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