Redshift modification of pulsars and magnetars by relativistic plasmas and vacuum polarization

被引：2
|
作者：
Luo, Yuee [1 ]
Bu, Zhigang [1 ]
Chen, Wenbo [1 ]
Li, Hehe [1 ]
Ji, Peiyong [1 ,2 ]
机构：
[1] Shanghai Univ, Dept Phys, Shanghai 200444, Peoples R China
[2] Shanghai Key Lab Astrophys, Shanghai 200234, Peoples R China
来源：
PHYSICS LETTERS A | 2013年 / 377卷 / 39期
关键词：
Redshift; Relativistic plasmas; Vacuum polarization; Pulsar; Magnetar; X-RAY-EMISSION; SURFACE REDSHIFT; ELECTRODYNAMICS; MAGNETOSPHERES; PROPAGATION; DISPERSION; DISCOVERY; REPEATERS; RADIATION; CASCADES;
D O I：
10.1016/j.physleta.2013.08.035
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The redshifts of emissions from pulsars and magnetars consist of two components: gravitational and non-gravitational redshifts. The latter results from the electromagnetic and kinetic effects of relativistic plasmas, characterized by refractive indices and streaming velocities of the media, respectively. The vacuum polarization effect induced by strong magnetic fields can modify the refractive indices of the media, and thus leads to a modification to the redshifts. The Gordon effective metric is introduced to study the redshifts of emissions. The modification of the gravitational redshift, caused by the effects of relativistic plasmas and vacuum polarization, is obtained. (C) 2013 Published by Elsevier B.V.
引用
收藏
页码：2785 / 2791
页数：7
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