Schwinger-Dyson equation approach to chiral symmetry breaking in an external magnetic field

被引：101

作者：

Leung, CN

Ng, YJ

Ackley, AW

机构：

[1] UNIV N CAROLINA, DEPT PHYS & ASTRON, INST FIELD PHYS, CHAPEL HILL, NC 27599 USA

[2] MIT, CTR THEORET PHYS, CAMBRIDGE, MA 02139 USA

[3] INST ADV STUDY, SCH NAT SCI, PRINCETON, NJ 08540 USA

来源：

PHYSICAL REVIEW D | 1996年 / 54卷 / 06期

关键词：

D O I：

10.1103/PhysRevD.54.4181

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We develop a method for using the nonperturbative Schwinger-Dyson equation to study chiral symmetry breaking in an external field. We apply it to massless QED in a constant magnetic field and obtain a nontrivial solution for the fermion self-energy at weak coupling, suggesting that chiral symmetry is dynamically broken.

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页码：4181 / 4184

页数：4

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