Fourier analysis of the flux-tube distribution in SU(3) lattice QCD

Details Fourier analysis of the flux-tube distribution in SU(3) lattice QCD Fourier analysis of the flux-tube distribution in SU(3) lattice QCD

2009-06-15

arxiv.org/abs/0906.2618v2

Phys.Lett.B688:345-349,2010

Physics

High Energy Physics

High Energy Physics - Lattice

12 pages

Scientific paper

10.1016/j.physletb.2010.04.022

This letter presents a novel analysis of the action/energy density distribution around a static quark-antiquark pair in SU(3) lattice quantum chromodynamics. Using the Fourier transformation of the link variable, we remove the high-momentum gluon and extract the flux-tube component from the action/energy density. When the high-momentum gluon is removed, the statistical fluctuation is drastically suppressed, and the singularities from the quark self-energy disappear. The obtained flux-tube component is broadly distributed around the line connecting the quark and the antiquark.

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