On Landau gauge Yang-Mills correlation functions

Abstract : We investigate Landau gauge $SU(3)$ Yang-Mills theory in a systematic vertex expansion scheme for the effective action with the functional renormalisation group. Particular focus is put on the dynamical creation of the gluon mass gap at non-perturbative momenta and the consistent treatment of quadratic divergences. The non-perturbative ghost and transverse gluon propagators as well as the momentum-dependent ghost-gluon, three-gluon and four-gluon vertices are calculated self-consistently with the classical action as only input. The apparent convergence of the expansion scheme is discussed and within the errors, our numerical results are in quantitative agreement with available lattice results.
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Submitted on : Thursday, June 16, 2016 - 10:57:05 AM
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  • HAL Id : cea-01332565, version 1
  • ARXIV : 1605.01856


Anton K. Cyrol, Leonard Fister, Mario Mitter, Jan M. Pawlowski, Nils Strodthoff. On Landau gauge Yang-Mills correlation functions. 2016. ⟨cea-01332565⟩



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