Flux tubes in U(1) - Do they attract or repel each other?

被引：1

作者：

Zach, M ^{[1
]}

Faber, M ^{[1
]}

Skala, P ^{[1
]}

机构：

[1] Tech Univ Vienna, Inst Kernphys, A-1060 Vienna, Austria

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 1998年 / 63卷

关键词：

D O I：

10.1016/S0920-5632(97)00810-4

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：

The dually transformed path integral of four-dimensional U(1) lattice gauge theory is used for a numerical investigation of multiply charged systems and the interaction between flux tubes. For this aim, it is convenient to implement periodically closed flux tubes (torelons) in the dual formulation. We calculate the free energy as well as the total electro-magnetic energy of doubly charged flux tubes as a function of the coupling P. The main results are that the string tension scales proportionally to the charge (contrary to the Coulomb potential) and in the range 0.9 < beta < 1.0 we find a clear signal for attraction between flux tubes.

引用

页码：489 / 491

页数：3

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