Studying the infrared behaviour of gluon and ghost propagators using large asymmetric lattices

P. J. Silva; O. Oliveira

doi:10.1063/1.2714377

Studying the infrared behaviour of gluon and ghost propagators using large asymmetric lattices

High Energy Physics - Lattice 2008-11-26 v2

Authors: P. J. Silva , O. Oliveira

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Abstract

We report on the infrared limit of the quenched lattice Landau gauge gluon propagator computed from large asymmetric lattices. In particular, the compatibility of the pure power law infrared solution $(q^2)^{2\kappa}$ of the Dyson-Schwinger equations is investigated and the exponent $\kappa$ is measured. Some results for the ghost propagator and for the running coupling constant will also be shown.

Keywords

gluon propagator ghost propagator infrared limit Dyson-Schwinger equations power law asymmetric lattices

Cite

@article{arxiv.hep-lat/0610130,
  title  = {Studying the infrared behaviour of gluon and ghost propagators using large asymmetric lattices},
  author = {P. J. Silva and O. Oliveira},
  journal= {arXiv preprint arXiv:hep-lat/0610130},
  year   = {2008}
}

Comments

3 pages, 2 figures. Talk given at "Quark Confinement and the Hadron Spectrum VII", Azores, Portugal, 2-7 September 2006

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