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

页码：121 / 128

页数：8

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