STATIC MODEL OF THE QUARK POTENTIAL

被引:18
作者
GILES, R [1 ]
MCLERRAN, L [1 ]
机构
[1] STANFORD UNIV,STANFORD LINEAR ACCELERATOR CTR,STANFORD,CA 94305
来源
PHYSICAL REVIEW D | 1979年 / 19卷 / 12期
关键词
D O I
10.1103/PhysRevD.19.3732
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
We present a semiclassical method for calculating the potential energy of a heavy quark-antiquark pair. Our method preserves the operator charge structure of the quark and antiquark. The operator structure of the gluon fields is approximately maintained by truncating the gluon degrees of freedom to a minimal set, a set which preserves the operator charge structure of the quark-antiquark-gluon system. The energy of this truncated system is determined using a variational principle. The potential thus determined accurately reproduces the results of renormalization-group improved perturbation theory up to and including effects of at least order α4lnα. © 1979 The American Physical Society.
引用
收藏
页码:3732 / 3743
页数:12
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