Preconditioning maximal center gauge with stout link smearing in SU(3)

被引：14

作者：

Cais, Alan O. ^{[1
,2
]}

Kamleh, Waseem ^{[1
]}

Langfeld, Kurt ^{[3
]}

Lasscock, Ben ^{[1
]}

Leinweber, Derek ^{[1
]}

Moran, Peter ^{[1
]}

Sternbeck, Andre ^{[1
,4
]}

von Smekal, Lorenz ^{[1
,5
]}

机构：

[1] Univ Adelaide, Sch Chem & Phys, Special Res Ctr Subat Struct Matter, Adelaide, SA 5005, Australia

[2] Cyprus Inst, CY-1645 Nicosia, Cyprus

[3] Univ Plymouth, Sch Maths & Stats, Plymouth PL4 8AA, Devon, England

[4] Univ Regensburg, Inst Theoret Phys, D-93040 Regensburg, Germany

[5] Tech Univ Darmstadt, Inst Kernphys, D-64289 Darmstadt, Germany

来源：

PHYSICAL REVIEW D | 2010年 / 82卷 / 11期

基金：

澳大利亚研究理事会;

关键词：

CENTER VORTICES; P-VORTICES; GRIBOV COPIES; CONFINEMENT; MONOPOLES; RELEVANCE; LATTICES; QCD;

D O I：

10.1103/PhysRevD.82.114512

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Center vortices are studied in SU(3) gauge theory using maximal center gauge (MCG) fixing. Stout link smearing and over-improved stout link smearing are used to construct a preconditioning gauge-field transformation which is applied to the original gauge field before fixing to MCG. We find that preconditioning successfully achieves higher maxima of the gauge functional used in MCG. We observe a reduction in the number of identified vortices when this preconditioning method is used, and also a reduction in the string tension as measured on the identified vortex matter.

引用

页数：10

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