通过三重态和六重态QCD中的超三次涂抹进行改进
Improvement via hypercubic smearing in triplet and sextet QCD
摘要:
本文研究了SU(3)格点规范理论在基本和双指数对称表象中与费米子耦合的非微扰改进。我们的晶格行动被定义为超立方涂抹链接纳入威尔逊三叶草费米子内核。使用标准的薛定谔功能的技术,我们估计三叶草系数Csw,并发现离散化误差要小得多,比在细链接理论。
英文摘要:
We study non-perturbative improvement in SU(3) lattice gauge theory coupled to fermions in the fundamental and two-index symmetric representations. Our lattice action is defined with hypercubic smeared links incorporated into the Wilson-clover fermion kernel. Using standard Schroedinger-functional techniques we estimate the clover coefficient Csw and find that discretization errors are much smaller than in thin-link theories.
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