Gribov copies and gauge fixing in lattice gauge theories

被引：7
|
作者：
Oliveira, O [1 ]
Silva, PJ [1 ]
机构：
[1] Univ Coimbra, Dept Fis, P-3004516 Coimbra, Portugal
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2002年 / 106卷
关键词：
D O I：
10.1016/S0920-5632(01)01937-5
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
We address the problem of the gauge fixing versus Gribov copies in lattice gauge theories. For the Landau gauge, results show that a suitable combination of evolutionary algorithms with traditional steepest descent methods identifies the global maximum of the optimisation function. We discuss the performance of the combined algorithm on small cubic lattices for SU(2) and SU(3).
引用
收藏
页码：1088 / 1090
页数：3
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