费米子双线性的单态与非单态微扰重整化
高能物理 - 格点
2017-01-30 v2
摘要
本文在格点上计算了味道单态与非单态双线性夸克算子重整化函数之间的差异,给出了其微扰计算结果。该计算进行到两圈且在格距的最低阶,适用于一类改进的格点作用,包括 Wilson、树级 (TL) Symanzik 和 Iwasaki 胶子,twisted mass 和 SLiNC Wilson 费米子,以及具有两次 stout-smearing 链接的 staggered 费米子。在 staggered 表述中,stout smearing 过程也应用于双线性算子的定义。
引用
@article{arxiv.1610.06744,
title = {Singlet vs Nonsinglet Perturbative Renormalization of Fermion Bilinears},
author = {M. Constantinou and M. Hadjiantonis and H. Panagopoulos and G. Spanoudes},
journal= {arXiv preprint arXiv:1610.06744},
year = {2017}
}
备注
20 pages, 11 figures. The only difference between v2 and v1 is the inclusion of an Addendum in which conversion factors for different renormalization schemes are individually listed