Lattice analysis for the energy scale of QCD phenomena

Details Lattice analysis for the energy scale of QCD phenomena Lattice analysis for the energy scale of QCD phenomena

2008-08-07

arxiv.org/abs/0808.1120v2

Phys.Rev.Lett.101:241601,2008

Physics

High Energy Physics

High Energy Physics - Lattice

4 pages, 4 figures

Scientific paper

10.1103/PhysRevLett.101.241601

We formulate a new framework in lattice QCD to study the relevant energy scale of QCD phenomena. By considering the Fourier transformation of link variable, we can investigate the intrinsic energy scale of a physical quantity nonperturbatively. This framework is broadly available for all lattice QCD calculations. We apply this framework for the quark-antiquark potential and meson masses in quenched lattice QCD. The gluonic energy scale relevant for the confinement is found to be less than 1 GeV in the Landau or Coulomb gauge.

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