核子观测量中非连通贡献的计算
高能物理 - 格点
2014-01-28 v1
摘要
我们比较了多种计算贡献于核子三点函数的非连通费米子圈的方法。比较工作基于一个扭质量费米子系综进行,其π介子质量为 373 MeV。通过开发针对多 GPU 优化的代码,我们考察了直至一阶导数的完整算符集。针对每类算符,我们给出了优选方法的简明指南。
引用
@article{arxiv.1401.6749,
title = {Computation of disconnected contributions to nucleon observables},
author = {Constantia Alexandrou and Vincent Drach and Karl Jansen and Giannis Koutsou and Alejandro Vaquero},
journal= {arXiv preprint arXiv:1401.6749},
year = {2014}
}
备注
7 pages, 4 figures. Proceedings of the talk given during the $31^{st}$ International Symposium on Lattice Field Theory, July 29 - August 3, 2013, Mainz, Germany