Exact zero-modes of the compact QED Dirac operator

被引：13
|
作者：
Berg, BA [1 ]
Heller, UM
Markum, H
Pullirsch, R
Sakuler, W
机构：
[1] Florida State Univ, Dept Phys, Tallahassee, FL 32306 USA
[2] Florida State Univ, Sch Computat Sci & Informat Technol, Tallahassee, FL 32306 USA
[3] Vienna Univ Technol, Atominst Osterreich Univ, A-1040 Vienna, Austria
来源：
PHYSICS LETTERS B | 2001年 / 514卷 / 1-2期
基金：
奥地利科学基金会;
关键词：
topology; Abelian gauge theory;
D O I：
10.1016/S0370-2693(01)00767-5
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We calculate the low-lying eigenmodes of the Neuberger overlap-Dirac operator for 4d compact lattice QED in the quenched approximation. In the strong coupling phase we find exact zero-modes. quite similar as in non-Abelian lattice QCD. Subsequently we make an attempt to identify responsible topological excitations of the U(1) lattice gauge theory. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：97 / 102
页数：6
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