The IR sector of QCD: lattice versus Schwinger-Dyson equations

Details The IR sector of QCD: lattice versus Schwinger-Dyson equations The IR sector of QCD: lattice versus Schwinger-Dyson equations

2010-10-14

arxiv.org/abs/1010.2945v1

AIP Conf.Proc.1317:168-173,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages. Talk given at QCD@Work 2010 -International Workshop on QCD: Theory and Experiment-, 20-23 June 2010, Martina Franca,

Scientific paper

10.1063/1.3536552

Important information about the infrared dynamics of QCD is encoded in the behavior of its (of-shell) Green's functions, most notably the gluon and the ghost propagators. Due to recent improvements in the quality of lattice data and the truncation schemes employed for the Schwinger-Dyson equations we have now reached a point where the interplay between these two non-perturbative tools can be most fruitful. In this talk several of the above points will be reviewed, with particular emphasis on the implications for the ghost sector, the non-perturbative effective charge of QCD, and the Kugo-Ojima function.

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