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arXiv 1810.04072hep-thhep-lat
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SU中心涡旋的分支(3)格点规范理论

Branching of Center Vortices in SU(3) Lattice Gauge Theory

Felix Spengler, Markus Quandt, Hugo Reinhardt

摘要:

在最大中心规范下,分析了$SU(3)$ Yang-Mills理论中中心涡旋的分支.当适当地归一化时,我们可以定义一个分支概率,它与晶格间距无关(在这里研究的有限尺度窗口中)。分支概率显示出在解禁闭相变处的快速变化,这在晶格的空间切片中比在时间切片中显著得多。虽然不是一个严格的序参量(在这个意义上,它消失在一个阶段)的分支概率,因此被发现是一个可靠的指标的位置的临界温度和几何重新安排的涡旋物质跨越解除限制相变。

英文摘要:

We analyze the branching of center vortices in $SU(3)$ Yang-Mills theory in maximal center gauge. When properly normalized, we can define a branching probability that turns out to be independent of the lattice spacing (in the limited scaling window studied here). The branching probability shows a rapid change at the deconfinement phase transition which is much more pronounced in space slices of the lattice as compared to time slices. Though not a strict order parameter (in the sense that it vanishes in one phase) the branching probability is thus found to be a reliable indicator for both the location of the critical temperature and the geometric re-arrangement of vortex matter across the deconfinement phase transition.

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