A Study of Gluon Propagator on Coarse Lattice

Details A Study of Gluon Propagator on Coarse Lattice A Study of Gluon Propagator on Coarse Lattice

1999-03-03

arxiv.org/abs/hep-lat/9903009v1

Mod.Phys.Lett. A15 (2000) 229-244

Physics

High Energy Physics

High Energy Physics - Lattice

Revtex 14pages, 11 figures

Scientific paper

10.1142/S0217732300000220

We study gluon propagator in Landau gauge with lattice QCD, where we use an improved lattice action. The calculation of gluon propagator is performed on lattices with the lattice spacing from 0.40 fm to 0.24 fm and with the lattice volume from $(2.40 fm)^4$ to $(4.0 fm)^4$. We try to fit our results by two different ways, in the first one we interpret the calculated gluon propagators as a function of the continuum momentum, while in the second we interpret the propagators as a function of the lattice momentum. In the both we use models which are the same in continuum limit. A qualitative agreement between two fittings is found.

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