Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
1995-12-18
Nucl.Phys.Proc.Suppl. 47 (1996) 302-305
Physics
High Energy Physics
High Energy Physics - Lattice
4 pages, Latex, 3 figures. Talk presented by H. Suganuma at International Symposium on 'Lattice Field Theory', July 11 - 15, 1
Scientific paper
10.1016/0920-5632(96)00061-8
The correlation between instantons and QCD-monopoles is studied both in the lattice gauge theory and in the continuum theory. An analytical study in the Polyakov-like gauge, where $A_4(x)$ is diagonalized, shows that the QCD-monopole trajectory penetrates the center of each instanton, and becomes complicated in the multi-instanton system. Using the SU(2) lattice with $16^4$, the instanton number is measured in the singular (monopole-dominating) and regular (photon-dominating) parts, respectively. The monopole dominance for the topological charge is found both in the maximally abelian gauge and in the Polyakov gauge.
Miyamura Osamu
Sasaki Shoichi
Suganuma Hideo
Tanaka Atsunori
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