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The anomalous dimension of the composite operator A² in the Landau gauge
classification
✦ hep-th
keywords
gaugeanomalousdimensioncompositelandauoperatoralgebraicanalysed
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The local composite operator A^2 is analysed in pure Yang-Mills theory in the Landau gauge within the algebraic renormalization. It is proven that the anomalous dimension of A^2 is not an independent parameter, being expressed as a linear combination of the gauge beta function and of the anomalous dimension of the gauge fields.
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