Model-independent determination of the gluon condensate in four-dimensional SU(3) gauge theory

Abstract

We determine the non-perturbative gluon condensate of four-dimensional SU(3) gauge theory in a model independent way. This is achieved by carefully subtracting high order perturbation theory results from non-perturbative lattice QCD determinations of the average plaquette. No indications of dimension two condensates are found. The value of the gluon condensate turns out to be of a similar size as the intrinsic ambiguity inherent to its definition.

5 pages, 5 figures, v2: references added, conclusions improved, contrast of figures improved, 1 typo corrected

References in corpus (5)

• 1/q^2 Corrections and Gauge/String Duality
• Perturbative expansion of the plaquette to $\mathcal{O}({\alpha }^{35})$ in four-dimensional SU(3) gauge theory
• Dimension-two gluon condensate from large-Nc Regge models
• The non-perturbative part of the plaquette in quenched QCD
• Renormalon Subtraction from the Average Plaquette and the Gluon Condensate

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