The fermion determinant in (4,4) 2d lattice super-Yang-Mills

被引：33
|
作者：
Giedt, J [1 ]
机构：
[1] Univ Toronto, Toronto, ON M5S 1A7, Canada
来源：
NUCLEAR PHYSICS B | 2003年 / 674卷 / 1-2期
关键词：
D O I：
10.1016/j.nuclphysb.2003.09.045
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 find that the fermion determinant is not generally positive in a class of lattice actions recently constructed by Cohen et al. [hep-lat/0307012]; these are actions that contain an exact lattice supersymmetry and have as their target (continuum) theory (4, 4) 2-dimensional super-Yang-Mills. We discuss the implications of this finding for lattice simulations and give some preliminary results for the phase of the determinant in the phase-quenched ensemble. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：259 / 270
页数：12
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