The anomalous dimension of the composite operator A^2 in the Landau gauge

Abstract

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.

12 pages, LaTeX2e, final version to appear in Phys. Lett. B

References in corpus (2)

• Three loop MSbar renormalization of the Curci-Ferrari model and the dimension two BRST invariant composite operator in QCD
• The Curci-Ferrari model with massive quarks at two loops

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