H(4) tensor representations for the lattice Landau gauge gluon propagator and the estimation of lattice artefacts

被引：7
作者：
Catumba, Guilherme T. R. [1 ]
Oliveira, Orlando [1 ]
Silva, Paulo J. [1 ]
机构：
[1] Univ Coimbra, Dept Phys, CFisUC, P-3004516 Coimbra, Portugal
来源：
PHYSICAL REVIEW D | 2021年 / 103卷 / 07期
关键词：
YANG-MILLS THEORY; GRIBOV COPIES; INFRARED BEHAVIOR; MASS GENERATION; QCD; CONFINEMENT; CONSTRAINTS; 2-POINT; VERTEX;
D O I：
10.1103/PhysRevD.103.074501
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Lattice tensor representations are explored to investigate the lattice Landau gauge gluon propagator for the pure SU(3) Yang-Mills gauge theory in four dimensions. The analysis of several tensor bases allows to quantify the completeness of the tensor bases considered and the deviations of the lattice results from the continuum theory, and to estimate the theoretical uncertainty in the propagator. Furthermore, our analysis tests continuum-based relations with the lattice data and shows that the lattice Landau gauge gluon propagator is described by a unique form factor, as in the continuum formulation.
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页数：22
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