The non-perturbative groundstate of Q.C.D and the local composite operator A_mu^2

Abstract

We investigate the possibility that the dimension 2 condensate A_mu^2 has a non zero non-perturbative value in Yang-Mills theory. We introduce a multiplicatively renormalisable effective potential for this condensate and show through two loop calculations that a non zero condensate is energetically favoured.

arXiv comment12 pages

References in corpus (3)

• On the Significance of the Quantity "A Squared"
• Short-distance tachyonic gluon mass and 1/Q^2 corrections
• On the Emerging Phenomenology of <(A_μ)^2>

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