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arXiv 0902.1842hep-phhep-th
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基于全息术的QCD缺陷分类研究

On Classification of QCD defects via holography

Alexander Gorsky, Valentin Zakharov, Ariel Zhitnitsky

摘要:

本文讨论了纯杨-米尔斯理论或具有基本物质的规范理论的全息模型中各种余维缺陷的分类。我们专注于他们的作用低于和高于相变点,以及他们的权重的配分函数。一般的结果是,在一个阶段稳定且重的物体在另一个阶段变得非常轻(无张力)。我们认为,$θ$依赖的配分函数急剧变化的相变点,因此,它与稳定性的配置属性。讨论了QCD在相变前后真空性质研究中的一些可能应用。

英文摘要:

We discuss classification of defects of various codimensions within a holographic model of pure Yang-Mills theories or gauge theories with fundamental matter. We focus on their role below and above the phase transition point as well as their weights in the partition function. The general result is that objects which are stable and heavy in one phase are becoming very light (tensionless) in the other phase. We argue that the $θ$ dependence of the partition function drastically changes at the phase transition point, and therefore it correlates with stability properties of configurations. Some possible applications for study the QCD vacuum properties above and below phase transition are also discussed.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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