Infrared behavior of the Faddeev-Popov operator in Coulomb gauge QCD

被引：12
|
作者：
Nakagawa, Y. [1 ]
Nakamura, A.
Saito, T.
Toki, H.
机构：
[1] Osaka Univ, Res Ctr Nucl Phys, Ibaraki, Osaka 5670047, Japan
[2] Hiroshima Univ, Res Inst Informat Sci & Educ, Higashihiroshima 7398521, Japan
来源：
PHYSICAL REVIEW D | 2007年 / 75卷 / 01期
关键词：
D O I：
10.1103/PhysRevD.75.014508
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We calculate the eigenvalue distribution of the Faddeev-Popov operator in Coulomb gauge QCD using quenched SU(3) lattice simulation. In the confinement phase, the density of the low-lying eigenvalues increases with lattice volume, and the confinement criterion is satisfied. Moreover, even in the deconfinement phase, the behavior of the FP eigenvalue density is qualitatively the same as in the confinement phase. This is consistent with the fact that the color-Coulomb potential is not screened in the deconfined phase.
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页数：7
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