Alternative refined Gribov-Zwanziger Lagrangian

被引：39
作者：
Gracey, J. A. [1 ]
机构：
[1] Univ Liverpool, Div Theoret Phys, Dept Math Sci, Liverpool L69 3BX, Merseyside, England
来源：
PHYSICAL REVIEW D | 2010年 / 82卷 / 08期
关键词：
LANDAU GAUGE; CRITICAL LIMIT; MASS-GAP; BEHAVIOR; QCD;
D O I：
10.1103/PhysRevD.82.085032
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We consider the implications of the condensation of a general local Becchi-Rouet-Stora-Tyutin invariant dimension two operator built out of the localizing ghost fields of the Gribov-Zwanziger Lagrangian which is a localized Lagrangian incorporating the Gribov problem in the Landau gauge. For different color tensor projections of the general operator, the properties of a frozen gluon propagator and unenhanced Faddeev-Popov ghost propagator, which are observed in lattice computations, can be reproduced. The alternative possibilities are distinguished by the infrared structure of the propagators of the spin-1 fields, other than those of the gluon and Faddeev-Popov ghost, for which there is no numerical simulation data to compare with yet.
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页数：21
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