NONPERTURBATIVE FERMION PROPAGATOR IN MASSLESS QUENCHED QED

被引：43

作者：

CURTIS, DC

PENNINGTON, MR

机构：

[1] Centre for Particle Theory, University of Durham

来源：

PHYSICAL REVIEW D | 1991年 / 44卷 / 02期

关键词：

D O I：

10.1103/PhysRevD.44.536

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The Schwinger-Dyson equation for the massless fermion propagator in quenched four-dimensional QED is solved for different forms of the fermion-photon vertex. A nonperturbative, analytic solution that is multiplicatively renormalizable and self-consistently related to the vertex by the Ward identity is obtained. Its behavior is quantitatively different from that found in the simple ladder approximation, for instance.

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页码：536 / 539

页数：4

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