Effective Lagrangian of QED with a magnetic charge and dyon mass bounds

被引：8

作者：

Kovalevich, SG

Osland, P

Shnir, YM

Tolkachev, EA

机构：

[1] UNIV BERGEN, DEPT PHYS, N-5007 BERGEN, NORWAY

[2] TECH UNIV BERLIN, DEPT MATH, D-10623 BERLIN, GERMANY

[3] INST PHYS, MINSK 220072, BELARUS

来源：

PHYSICAL REVIEW D | 1997年 / 55卷 / 09期

关键词：

D O I：

10.1103/PhysRevD.55.5807

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The effective Lagrangian of QED coupled to dyons is calculated. The resulting generalization of the Euler-Heisenberg Lagrangian contains nonlinear P- and T-noninvariant terms corresponding to the virtual pair creation of dyons. The corresponding P- and T-violating part of the matrix element for light-by-light scattering is considered. This effect induces an electric dipole moment for the electron, of order M-2, where M is the dyon mass. The current limit on the electric dipole moment of the electron yields the lower dyon mass bound M>1 TeV.

引用

页码：5807 / 5812

页数：6

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