EPJ Web Conf.
Volume 137, 2017XIIth Quark Confinement and the Hadron Spectrum
|Number of page(s)||7|
|Published online||22 March 2017|
Universal behavior of gluon and ghost propagators in the infrared
Dipartimento di Fisica e Astronomia dell’Università di Catania, INFN Sezione di Catania, Via S.Sofia 64, I-95123 Catania, Italy
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Published online: 22 March 2017
A universal behavior is predicted for ghost and gluon propagators in the infrared. The universal behavior is shown to be a signature of a one-loop approximation and emerges naturally by the massive expansion that predicts universal analytical functions for the inverse dressing functions that do not depend on any parameter or color number. By a scaling of units and by adding an integration constant, all lattice data, for different color numbers (and even quark content for the ghosts), collapse on the same universal curves predicted by the massive expansion.
© The Authors, published by EDP Sciences, 2017
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