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Coulomb Energy, Vortices, and Confinement

Authors
  • Greensite, J.
  • Olejnik, S.
Type
Published Article
Publication Date
Apr 10, 2003
Submission Date
Feb 25, 2003
Identifiers
DOI: 10.1103/PhysRevD.67.094503
arXiv ID: hep-lat/0302018
Source
arXiv
License
Unknown
External links

Abstract

We estimate the Coulomb energy of static quarks from a Monte Carlo calculation of the correlator of timelike link variables in Coulomb gauge. We find, in agreement with Cucchieri and Zwanziger, that this energy grows linearly with distance at large quark separations. The corresponding string tension, however, is several times greater than the accepted asymptotic string tension, indicating that a state containing only static sources, with no constituent gluons, is not the lowest energy flux tube state. The Coulomb energy is also measured on thermalized lattices with center vortices removed by the de Forcrand-D'Elia procedure. We find that when vortices are removed, the Coulomb string tension vanishes.

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