The Infrared Landau Gauge Gluon Propagator from Lattice QCD

Details The Infrared Landau Gauge Gluon Propagator from Lattice QCD The Infrared Landau Gauge Gluon Propagator from Lattice QCD

2004-10-27

arxiv.org/abs/hep-lat/0410048v2

Physics

High Energy Physics

High Energy Physics - Lattice

3 pages, 1 figure. Talk given at Quark Confinement and the Hadron Spectrum VI 2004, Italy, 21-25 Sep. References correct

Scientific paper

10.1063/1.1920970

The quenched Landau gauge gluon propagator is investigated in lattice QCD with large assimetric lattices, accessing momenta as low as $q \sim 100$ MeV or smaller. Our investigation focus on the IR limit of the gluon dressing function, testing the compatibility with recent solutions of the Dyson-Schwinger equations. In particular, the low energy parameters $\kappa$ and $\alpha (0)$ are measured.

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