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arXiv 0909.3781hep-th
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关于约束指数

On Confinement Index

Kenichi Konishi, Yutaka Ookouchi

摘要:

威尔逊圈W^{t}不能表现面积定律的最小整数t被称为给定场论的约束指数。禁闭指数为我们提供了关于系统真空特性的微妙信息。研究了N=1超对称规范理论中Wilson环和t Hooft环的行为,并计算了禁闭指数。所有可能的电磁屏蔽都考虑在内。发现的结果是一致的θ周期性,只要这样的检查是可用的,与Seiberg-Witten曲线的因式分解属性。

英文摘要:

The smallest integer t for which the Wilson loop W^{t} fails to exhibit area law is known as the confinement index of a given field theory. The confinement index provides us with subtle information on the vacuum properties of the system. We study the behavior of the Wilson and 't Hooft loops and compute the confinement index in a wide class of N=1 supersymmetric gauge theories. All possible electric and magnetic screenings are taken into account. The results found are consistent with the theta periodicity, and whenever such a check is available, with the factorization property of Seiberg-Witten curves.

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