EVALUATION OF FINITE LOWEST-ORDER SELF-ENERGIES

被引：0

作者：

SUGAWARA, M

机构：

[1] Department of Physics, Purdue University, West Lafayette, 47907, IN

来源：

NUOVO CIMENTO DELLA SOCIETA ITALIANA DI FISICA A-NUCLEI PARTICLES AND FIELDS | 1990年 / 103卷 / 08期

关键词：

General properties of perturbation theory; Renormalization; Scattering matrix and perturbation theory;

D O I：

10.1007/BF02820537

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

We show that the various lowest-order self-energies can all be made finite on account of the proposal by Danos and Rafelski that the space-time integrations in the covariant perturbation expansion of the S-matrix are to be open instead of closed. We also discuss how we can evaluate these finite lowest-order self-energies. © 1990 Società Italiana di Fisica.

引用

页码：1101 / 1111

页数：11

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