Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1997-10-13
Nucl.Phys.Proc.Suppl. 65 (1998) 29-33
Physics
High Energy Physics
High Energy Physics - Lattice
Talk presented by H.Suganuma at the 5th Topical Seminar on The Irresistible Rise of the Standard Model, San Miniato al Todesco
Scientific paper
10.1016/S0920-5632(97)00971-7
The confinement mechanism in the nonperturbative QCD is studied in terms of topological excitation as QCD-monopoles and instantons. In the 't Hooft abelian gauge, QCD is reduced into an abelian gauge theory with monopoles, and the QCD vacuum can be regarded as the dual superconductor with monopole condensation, which leads to the dual Higgs mechanism. The monopole-current theory extracted from QCD is found to have essential features of confinement. We find also close relation between monopoles and instantons using the lattice QCD. In this framework, the lowest $0^{++}$ glueball (1.5 $\sim$ 1.7GeV) can be identified as the QCD-monopole or the dual Higgs particle.
Fukushima Masahiro
Ichie Hiroko
Suganuma Hideo
Tanaka Atsunori
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