Topological structure of the SU(3) vacuum and exceptional eigenmodes of the improved Wilson-Dirac operator

被引:8
作者
Smith, D [1 ]
Simma, H
Teper, M
机构
[1] Univ Edinburgh, Dept Phys & Astron, Edinburgh EH9 3JZ, Midlothian, Scotland
[2] DESY Zeuthen, D-15738 Zeuthen, Germany
[3] Univ Oxford, Dept Phys, Oxford, England
关键词
D O I
10.1016/S0920-5632(97)00833-5
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 present a study of the instanton size and spatial distributions in pure SU(3) gauge theory using under-relaxed cooling. We also investigate the low-lying eigenmodes of the (improved) Wilson-Dirac operator, in particular, the appearance of zero-modes and their space-time localisation with respect to instantons in the underlying gauge field.
引用
收藏
页码:558 / 560
页数:3
相关论文
共 6 条
[1]   Low-lying eigenvalues of the Wilson-Dirac operator [J].
Jansen, K ;
Liu, C ;
Simma, H ;
Smith, D .
NUCLEAR PHYSICS B, 1997, :262-265
[2]   An accelerated conjugate gradient algorithm to compute low-lying eigenvalues - A study for the Dirac operator in SU(2) lattice QCD [J].
Kalkreuter, T ;
Simma, H .
COMPUTER PHYSICS COMMUNICATIONS, 1996, 93 (01) :33-47
[3]   SMALL-SCALE INSTANTONS, STAGGERED FERMIONS AND THE TOPOLOGICAL SUSCEPTIBILITY [J].
LAURSEN, ML ;
SMIT, J ;
VINK, JC .
NUCLEAR PHYSICS B, 1990, 343 (02) :522-540
[4]   COOLING AND THE SU(2) INSTANTON VACUUM [J].
MICHAEL, C ;
SPENCER, PS .
PHYSICAL REVIEW D, 1995, 52 (08) :4691-4699
[5]  
SIMMA H, UNPUB
[6]  
Smith D, UNPUB