出版社:SISSA, Scuola Internazionale Superiore di Studi Avanzati
摘要:Abelian mechanism of non-Abelian color confinement is observed in a gauge-independent way
by high precision lattice Monte Carlo simulations in gluodynamics. An Abelian gauge field is extracted
with no gauge-fixing. A static quark-antiquark potential derived from Abelian Polyakov
loop correlators gives us the same string tension as the non-Abelian one. The Hodge decomposition
of the Abelian Polyakov loop correlator to the regular photon and the singular monopole parts
also reveals that only the monopole part is responsible for the string tension. The investigation
of the flux-tube profile then shows that Abelian electric fields defined in an arbitrary color direction
are squeezed by monopole supercurrents with the same color direction, and the quantitative
features of flux squeezing are consistent with those observed previously after Abelian projections
with gauge fixing. Gauge independence of Abelian and monopole dominance strongly supports
that the mechanism of non-Abelian color confinement is due to the Abelian dual Meissner effect.