Schroedinger泛函顶点的自动生成
Automatic generation of vertices for the Schroedinger functional
摘要:
我们提出了一个乘法算法递归构造顶点的薛定谔功能在交换背景场的情况下。该算法适用于具有各种动作的自动微扰计算。作为第一个应用程序,我们得到的lattice计划(改进的规范行动,包括六个链接环)和$\bar{\rm MS}$计划之间的拉姆达参数的比率,和一个循环的薛定谔泛函耦合与晶格$T=L \pm a$,这是考虑交错费米子的结果。
英文摘要:
We present a multiplication algorithm to recursively construct vertices for the Schroedinger functional in the abelian background field case. The algorithm is suited for automatic perturbative calculations with a variety of actions. As first applications, we derive ratios of the lambda parameters between the lattice scheme (improved gauge actions including six link loops) and the $\bar{\rm MS}$ scheme, and one-loop results for the Schroedinger functional coupling with a lattice $T=L \pm a$, which is motivated by considering staggered fermions.
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