Non-perturbative propagators and dimension 2 condensate in Yang-Mills theory
Takeharu Murakami, Kei-Ichi Kondo, Toru Shinohara, Akihiro Shibata
Abstract
We have found ultraviolet asymptotic slutions of the Schwinger-Dyson equation for the gluon and ghost propagators which have simultaneously the perturbative logarithmic correction and the non-perturbative 1/p2 power correction. By including the perturbative corrections, the power correction reproduces exactly the leading OPE result suggesting the existence of dimension two condensate.
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