手征旋转Schroedinger泛函:猝灭近似下的非微扰调谐
Chirally rotated Schroedinger functional: non-perturbative tuning in the quenched approximation
摘要:
使用手性旋转边界条件提供了一个制定的薛定谔功能,是兼容的自动O(a)-改进的威尔逊费米子在散装。体O(a)项的消除需要临界质量的非微扰调谐和一个额外的边界反项。我们提出了这样的调谐淬火近似在三个值的重整化规范耦合和晶格间距的范围内的结果。
英文摘要:
The use of chirally rotated boundary conditions provides a formulation of the Schroedinger functional that is compatible with automatic O(a)-improvement of Wilson fermions in the bulk. The elimination of bulk O(a) terms requires the non-perturbative tuning of the critical mass and one additional boundary counterterm. We present the results of such a tuning in the quenched approximation at three values of the renormalised gauge coupling and for a range of lattice spacings.
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