Calculation of the Perturbative Expansion of Wilson Operators on the Lattice

• 来源期刊: 中国物理快报（英文版）
• 学科: 物理学
• 年，卷（期）: 2001,（11）
• 页码范围: 1442-1445
• 页数: 4页
• 分类号: O4
• 语种: 英文

摘要

We introduce an approach to expand gauge-invariant Wilson operators on the lattice. This approach is based on the non-Abelian-Stokes theorem and overcomes the disadvantages of the Luscher-Weisz method. It is also suitable for expanding any Wilson operator.