论文标题
费米金通用的一环有效动作
The Fermionic Universal One-Loop Effective Action
论文作者
论文摘要
基于协变量扩展的路径积分匹配技术的最新发展使得一环有效的Lagrangians的普遍结构。可以一劳永逸地计算通用项，以作为一环匹配计算的参考并简化其自动化。在这里，我们提出了Fermionic通用的单环有效作用（UOLEA），这是由于将大量费米子与标量，伪量表，矢量和轴向矢量耦合融为一体所致。我们还阐明了此处计算的新术语与文献中先前计算的术语的关系以及尚未完成Uolea的术语。我们的结果很容易用于有效地获得由繁重的费米循环产生的有效操作员的分析表达式。
Recent development of path integral matching techniques based on the covariant derivative expansion has made manifest a universal structure of one-loop effective Lagrangians. The universal terms can be computed once and for all to serve as a reference for one-loop matching calculations and to ease their automation. Here we present the fermionic universal one-loop effective action (UOLEA), resulting from integrating out heavy fermions with scalar, pseudo-scalar, vector and axial-vector couplings. We also clarify the relation of the new terms computed here to terms previously computed in the literature and those that remain to complete the UOLEA. Our results can be readily used to efficiently obtain analytical expressions for effective operators arising from heavy fermion loops.
