Gauge invariance of the Abelian dual Meissner effect in pure SU(2) QCD
Toru Sekido, Katsuya Ishiguro, Yoshifumi Nakamura, Tsuneo Suzuki
Abstract
The dual Meissner effect is described and numerically observed in a gauge-invariant way in lattice Monte-Carlo simulations in pure SU(2) QCD. The squeezing of the non-Abelian electric field between a pair of static quark and anti-quark occurs due to the solenoidal current coming from the gauge-invariant monopole-like quantity. Preliminary results are obtained with respect to the vacuum type of the confinement phase. The SU(2) QCD vacuum seems near the border between the type 1 and the type 2 dual superconductors. The theoretical background of this idea is published in another report Suzuki:2005lat051. Here we show numerical results in this note.
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