费米子普适性的共形不动点检验
Testing Fermion Universality at a Conformal Fixed Point
摘要：
在微扰$g^2=0$不动点附近定义的类QCD理论中，各种费米子公式的普适性得到了很好的建立。这些论点不适用于共形系统，表现出红外固定点在非零的$g^2$耦合。我们调查了10或12个基本口味使用畴壁费米子系统的阶梯标度函数，并将其与微扰预测进行比较。我们测试的普遍性，对比我们的研究结果发表在文献中的交错费米子的基础上。
英文摘要：
Universality of various fermion formulations is well established in QCD-like theories defined around the perturbative $g^2=0$ fixed point. These arguments do not apply for conformal systems that exhibit an infrared fixed point at non-vanishing $g^2$ coupling. We investigate the step scaling function for systems with 10 or 12 fundamental flavors using domain wall fermions and compare it to perturbative predictions. We test universality by contrasting our findings to results published in the literature based on staggered fermions.
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