Physics of η′ with rooted staggered quarks

被引：8
|
作者：
Duerr, Stephan [1 ,2 ]
机构：
[1] Berg Univ Wuppertal, D-42119 Wuppertal, Germany
[2] Forschungszentrum Julich, Julich Supercomp Ctr, D-52425 Julich, Germany
来源：
PHYSICAL REVIEW D | 2012年 / 85卷 / 11期
关键词：
SCHWINGER MODEL; SIMULATIONS; INVARIANCE; FERMIONS; MESON;
D O I：
10.1103/PhysRevD.85.114503
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The quark-mass dependence of the eta in the Schwinger model, which-like the eta' in QCD-becomes massive through the axial anomaly, is studied on the lattice with N-f = 0, 1, 2. Staggered quarks are used, with a rooted determinant for N-f = 1. In the chiral limit the Schwinger mass is reproduced, which suggests that the anomaly is being treated correctly.
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收藏
页数：9
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