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arXiv 2007.06422hep-lathep-phhep-th
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SU(3)规范理论的胶球谱

The glueball spectrum of SU(3) gauge theory in 3+1 dimension

Andreas Athenodorou, Michael Teper

摘要:

我们用标准元格作用量计算了3+1维SU(3)格点规范理论的低位胶球谱,范围从β到β =6.50.我们对三次旋转群的所有表示R中的态以及宇称P和电荷共轭C的值都这样做。我们将这些结果外推到理论的连续极限,使用限制弦张力作为我们的能量尺度。我们还提出了我们的结果在单位的r0规模,并从这方面的物理“GeV”单位。对于这些状态中的一些,我们能够以非常小的模糊性识别它们的连续自旋J。我们还计算了格点规范场的拓扑荷Q,从而表明我们在整个β范围内具有足够的遍历性,并且我们计算了Q作为β的函数的乘法重整化。我们还得到了SU(3)拓扑极化率的连续极限。

英文摘要:

We calculate the low-lying glueball spectrum of the SU(3) lattice gauge theory in 3+1 dimensions for the range of beta up to beta=6.50 using the standard plaquette action. We do so for states in all the representations R of the cubic rotation group, and for both values of parity P and charge conjugation C. We extrapolate these results to the continuum limit of the theory using the confining string tension as our energy scale. We also present our results in units of the r0 scale and, from that, in terms of physical `GeV' units. For a number of these states we are able to identify their continuum spins J with very little ambiguity. We also calculate the topological charge Q of the lattice gauge fields so as to show that we have sufficient ergodicity throughout our range of beta, and we calculate the multiplicative renormalisation of Q as a function of beta. We also obtain the continuum limit of the SU(3) topological susceptibility.

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