Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2000-04-25
Nucl.Phys. A680 (2000) 151-154
Physics
High Energy Physics
High Energy Physics - Lattice
4 pages, 2 figures, Talk given at International Conference on Quark Nuclear Physics(QNP2000), Adelaide, Australia, 21-25 Febru
Scientific paper
10.1016/S0375-9474(00)00406-1
The first test of the Kugo-Ojima colour confinement criterion by the lattice Landau gauge QCD simulation is performed. The parameter u which is expected to be -1\delta^a_b in the continuum theory was found to be -0.7\delta^a_b in the strong coupling region. The data is analyzed in connection with the theory of Zwanziger. In the weak coupling region, the expectation value of the horizon function is negative or consistent to 0.
Furui Sadataka
Nakajima Hideo
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