Chiral perturbation theory for the Wilson lattice action

被引：113

作者：

Rupak, G

Shoresh, N

机构：

[1] TRIUMF, Vancouver, BC V6T 2A3, Canada

[2] Univ Calif Berkeley, Lawrence Berkeley Lab, Berkeley, CA 94720 USA

[3] Univ Washington, Dept Phys, Seattle, WA 98195 USA

[4] Boston Univ, Dept Phys, Boston, MA 02215 USA

来源：

PHYSICAL REVIEW D | 2002年 / 66卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.66.054503

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We extend chiral perturbation theory to include linear dependence on the lattice spacing a for the Wilson action. The perturbation theory is written as a double expansion in the small quark mass m(q) and lattice spacing a. We present formulas for the mass and decay constant of a flavor-nonsinglet meson in this scheme to order a and m(q)(2). The extension to the partially quenched theory is also described.

引用

页数：6

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