Improving the locality of the overlap Dirac operator via approximate solutions of the Ginsparg-Wilson relation

被引：3

作者：

Adams, DH ^{[1
]}

机构：

[1] Leiden Univ, Inst Lorentz Theoret Phys, NL-2333 CA Leiden, Netherlands

来源：

NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2004年 / 129卷

关键词：

D O I：

10.1016/j.nuclphysbps.2003.12.203

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We determine a free field hypercubic lattice Dirac operator which is optimally close to satisfying the Ginsparg-Wilson relation. Inserting this operator into the overlap formula, we show that, the analytic locality bound oil the resulting overlap Dirac operator is substantially stronger than in the standard case. The improvement generally persists in gauge backgrounds when the plaquette variables are all close to unity.

引用

页码：513 / 515

页数：3

共 49 条

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