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arXiv 2203.09764hep-lat
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投影中心涡旋规范场的光顺算法

Smoothing algorithms for projected center-vortex gauge fields

Adam Virgili, Waseem Kamleh, Derek Leinweber

摘要:

本文研究了$\mathrm{SU}(3)$规范场平滑方法在$\mathrm{Z}(3)$投影中心涡旋规范场中的应用。由于漩涡链接与身份的比例关系,这些方法的天真应用要么无效,要么范围有限,包含不明显的微妙问题。为了克服这些问题,我们介绍了离心预处理,一种新的方法,适用于之前的平滑,旋转的链接远离中心,同时保持的基本结构的旋涡场。此外,涡流保持退火平滑的概念制定,以确保平滑过程保持底层的涡流结构。退火平滑应用于旋涡场的背景下,这些新方法的应用成功地实现了所需的光滑条件,需要更先进的运营商的研究。

英文摘要:

We study the application of $\mathrm{SU}(3)$ gauge field smoothing methods to $\mathrm{Z}(3)$-projected center-vortex gauge fields. Due to the proportionality of the vortex links to the identity, naive applications of these methods are either ineffectual or limited in scope, containing subtle issues which are not obviously manifest. To overcome these issues we introduce centrifuge preconditioning, a novel method applied prior to smoothing that rotates the links away from the center while preserving the fundamental structure of the vortex field. Additionally, the concept of vortex-preserved annealed smoothing is formulated to ensure the smoothing procedure maintains the underlying vortex structure. The application of these new methods in the context of annealed smoothing applied to vortex fields is shown to successfully achieve the desired smoothness condition required for the study of more advanced operators.

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