Anomalous behavior in the massive Schwinger model

被引：8
|
作者：
Hosotani, Y
Rodriguez, R
机构：
[1] School of Physics and Astronomy, University of Minnesota, Minneapolis
来源：
PHYSICS LETTERS B | 1996年 / 389卷 / 01期
关键词：
D O I：
10.1016/S0370-2693(96)01252-X
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
We evaluate the chiral condensate and Polyakov loop in two-dimensional QED with a fermion of an arbitrary mass (In). We find a discontinuous m dependence in the chiral condensate and an anomalous temperature dependence in Polyakov loops when the vacuum angle theta similar to pi and m=O(e). These nonperturbative phenomena are due to the bifurcation process in the solutions to the vacuum eigenvalue equation.
引用
收藏
页码：121 / 128
页数：8
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