PERTURBATIVE RENORMALIZATION OF QED VIA FLOW EQUATIONS

被引：58

作者：

KELLER, G ^{[1
]}

KOPPER, C ^{[1
]}

机构：

[1] UNIV GOTTINGEN, INST THEORET PHYS, W-3400 GOTTINGEN, GERMANY

来源：

PHYSICS LETTERS B | 1991年 / 273卷 / 03期

关键词：

D O I：

10.1016/0370-2693(91)91692-O

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We prove the perturbative renormalizability of euclidean QED4 with a small photon mass in the framework of effective lagrangians due to Wilson and Polchinski. In particular we show that the QED Ward identities, which become violated by our momentum space regularization at intermediate stages, are restored in the renormalized theory.

引用

页码：323 / 332

页数：10

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