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Article overview
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Ghost propagator and the Coulomb form factor from the lattice | G. Burgio
; M. Quandt
; H. Reinhardt
; | Date: |
25 May 2012 | Abstract: | We calculate the Coulomb ghost propagator G(|p|) and the static Coulomb
potential Vc(|r|) for SU(2) Yang-Mills theory on the lattice. In view of
possible scaling violations related to deviations from the Hamiltonian limit we
use anisotropic lattices to improve the temporal resolution. We find that the
ghost propagator is infrared enhanced with an exponent k ~ 0.5 while the
Coulomb potential exhibits a string tension larger than the Wilson string
tension, sigma_c ~ 2 sigma_W. This agrees with the Coulomb "scaling" scenario
derived from the Gribov-Zwanziger confinement mechanism. | Source: | arXiv, 1205.5674 | Services: | Forum | Review | PDF | Favorites |
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