Bending of electromagnetic wave in an ultra-strong magnetic field

被引：11

作者：

Kim, Jin Young ^{[1
]}

机构：

[1] Kunsan Natl Univ, Dept Phys, Kunsan 573701, South Korea

来源：

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS | 2012年 / 10期

基金：

新加坡国家研究基金会;

关键词：

magnetic fields; neutron stars; LIGHT-PROPAGATION; PAIR PRODUCTION; ELECTRODYNAMICS; BIREFRINGENCE; PULSARS;

D O I：

10.1088/1475-7516/2012/10/056

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We consider the bending of light by nonlinear electrodynamics when the magnetic field B exceeds the critical value B-c = m(2)c(2)/eh = 4.4 x 10(9)T. Using the index of refraction derived from the analytic series representation in one-loop effective action of QED, we found the trajectory and the bending angle of light in geometric optics. The angle bent by ultra-strong magnetic field of magnetar was estimated and compared with the gravitational bending. The result may be useful in studying the lensing, birefringence, and other nonlinear quantum electrodynamic effects above B-c.

引用

页数：8

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