DETERMINATION OF THE SINGULARITIES OF THE ELECTRON PROPAGATOR

被引：60

作者：

ATKINSON, D ^{[1
]}

BLATT, DWE ^{[1
]}

机构：

[1] UNIV NEWCASTLE, DEPT MATH, NEWCASTLE 2308, NEW S WALES, AUSTRALIA

来源：

NUCLEAR PHYSICS B | 1979年 / 151卷 / 02期

关键词：

D O I：

10.1016/0550-3213(79)90442-5

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：

It is shown, by means of the Runge-Kutta method of numerical integration, that the electron propagator, in the first approximation of the Johnson-Baker-Willey scheme, has complex branch-points in the momentum variable, instead of the real branch-point that physics requires. © 1979.

引用

页码：342 / 352

页数：11