QCD中overlap与staggered费米子的比较研究
高能物理 - 格点
2009-11-10 v1
摘要
我们对QCD中overlap和staggered费米子的红外性质进行了比较研究。我们观察到,APE/HYP改进staggered Dirac算子的红外谱发展出四重近简并,并与overlap算子的红外谱定量一致。这种近简并使我们能够识别staggered算子的零模,我们发现零模的数量与overlap算子的拓扑指数一致。
关键词
引用
@article{arxiv.hep-lat/0409108,
title = {A comparative study of overlap and staggered fermions in QCD},
author = {S. Dürr and Ch. Hoelbling and U. Wenger},
journal= {arXiv preprint arXiv:hep-lat/0409108},
year = {2009}
}
备注
Talk presented at Lattice2004(chiral), Fermilab, June 21-26, 2004, 3 pages, 2 figures