Magnetic monopole loop for the Yang-Mills instanton

被引:67
作者
Brower, RC [1 ]
Orginos, KN [1 ]
Tan, CI [1 ]
机构
[1] BROWN UNIV, DEPT PHYS, PROVIDENCE, RI 02912 USA
关键词
D O I
10.1103/PhysRevD.55.6313
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We investigate 't Hooft-Mandelstam monopoles in QCD in the presence of a single classical instanton configuration. The solution to the maximal Abelian projection is found to be a circular monopole trajectory with radius R centered on the instanton. At zero loop radius, there is a marginally stable (or flat) direction for loop formation to O(R(4)lnR). We argue that loops will form, in the semiclassical limit, due to small perturbations such as the dipole interaction between instanton-anti-instanton pairs. As the instanton gas becomes a liquid, the percolation of the monopole loops may, therefore, provide a semiclassical precursor to the confinement mechanism.
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页码:6313 / 6326
页数:14
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