Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2010-10-24
PoS Lattice2010:282,2010
Physics
High Energy Physics
High Energy Physics - Lattice
7 pages, 4 figures (7 EPS files). Presented at the XXVIII International Symposium on Lattice Field Theory (Vacuum Structure an
Scientific paper
We report results on the Coulomb-gauge ghost propagator and the color-Coulomb potential computed in two lattice gauge-field ensembles: (1) configurations derived from our recently proposed Yang-Mills vacuum wave functional in 2+1 dimensions, and (2) lattices generated by Monte Carlo simulations of the three-dimensional Euclidean SU(2) lattice gauge theory with the Wilson action. We observe remarkable agreement between the ghost propagators in both ensembles, but some differences in the potentials. Those originate from rare configurations with very small values of the lowest eigenvalue of the Coulomb-gauge Faddeev-Popov operator. If the same cuts on such exceptional configurations are applied in both ensembles, then the color-Coulomb potentials are also in reasonably good agreement.
Greensite Jeff
Olejnik Stefan
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