Improved overlap fermions

被引：4
|
作者：
Bietenholz, W
Hip, I
机构：
[1] NORDITA, DK-2100 Copenhagen O, Denmark
[2] Graz Univ, Inst Theoret Phys, A-8010 Graz, Austria
来源：
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS | 2000年 / 83-4卷
关键词：
D O I：
10.1016/S0920-5632(00)00328-5
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 test exact and approximate Ginsparg-Wilson fermions with respect to their chiral and scaling behavior in the 2-flavor Schwinger model. We first consider explicit approximate GW fermions in a short range, then we proceed to their chiral correction by means of the "overlap formula", and finally we discuss a numerically efficient perturbative chiral correction. In this way we combine very good chiral and scaling properties with a relatively modest computational effort.
引用
收藏
页码：600 / 602
页数：3
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