Dual Meissner effect and non-Abelian dual superconductivity in SU(3) Yang-Mills theory

Details Dual Meissner effect and non-Abelian dual superconductivity in SU(3) Yang-Mills theory Dual Meissner effect and non-Abelian dual superconductivity in SU(3) Yang-Mills theory

2012-04-25

arxiv.org/abs/1204.5586v1

Physics

High Energy Physics

High Energy Physics - Lattice

7 pages, 7 figures ; talk given at XXIX International Symposium on Lattice Field Theory, July 10-16 2011, Squaw Valley, Lake T

Scientific paper

The dual Meissner effect is the promising mechanism for quark confinement. We have proposed a new formulation of SU(N) Yang-Mills (YM) theory on a lattice, which can extract the dominant mode for quark confinement in the gauge independent manner. In the last lattice conference, we have demonstrated by measuring the string tension from the Wilson loop average in the SU(3) YM theory that the restricted non-Abelian variable and the extracted non-Abelian magnetic monopoles play the dominant role in confinement of fundamental quarks (dominance in the string tension), in marked contrast to the Abelian projection. In this talk, we focus on the dual Meissner effect in SU(3) YM theory, which is examined by measuring the distribution of chromo-electric field strength created by a static quark-antiquark pair. We apply the new lattice formulation, and examine whether or not the non-Abelian dual superconductivity claimed by us is indeed a mechanism of quark confinement. We present a preliminary result of the direct evidence for the non-abelian dual Meissner effect, that is to say, restricted U(2)-field part of the flux tube plays the dominant role in the quark-antiquark potential.

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