QCD静态势是否存在短距离非微扰贡献?
高能物理 - 唯象学
2009-10-31 v3 高能物理 - 格点
摘要
我们发现,微扰论无法描述从淬火格点模拟中获得的短距离静态势,至少对于源间距r > 1/(6 GeV)时是如此。非微扰确定的势与短距离微扰论之间的差异可以很好地用斜率约为1.2 GeV^2的线性项来参数化,该斜率明显大于弦张力sigma = 0.21 GeV^2。
引用
@article{arxiv.hep-ph/9905387,
title = {Are there short distance non-perturbative contributions to the QCD static potential?},
author = {Gunnar S. Bali},
journal= {arXiv preprint arXiv:hep-ph/9905387},
year = {2009}
}
备注
11 pages Latex, elsart style with 3 epsf figures, some figures and formulas have changed due to a sign error in the original manuscript, Title changed, typos corrected, references updated