A Ginzburg-Landau analysis of the colour electric flux tube

被引:29
作者
Bali, GS
Schlichter, C
Schilling, K
机构
[1] Humboldt Univ, Inst Phys, D-10115 Berlin, Germany
[2] Berg Univ Wuppertal, Dept Phys, D-42097 Wuppertal, Germany
[3] Forschungszentrum Julich, HLRZ, D-52425 Julich, Germany
[4] DESY, D-22603 Hamburg, Germany
关键词
D O I
10.1016/S0920-5632(99)85160-3
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
In a simulation of SU(2) gauge theory we investigate, after maximal Abelian projection, the dual Maxwell equations for colour field and monopole current distributions around a static quark-antiquark pair Q (Q) over bar in vacuo. Within the dual superconductor picture we carry out a Ginzburg-Landau type analysis of the flux tube profile. As a result we can determine the coherence length of the GL wave function related to the monopole condensate, xi = .27(3) fm, to be compared to the penetration length, lambda = .16(2) fm (scaled with the string tension).
引用
收藏
页码:638 / 640
页数:3
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