Toroidal Magnetic Field Generation in the Magnetosphere of Crab Pulsar

被引：0
|
作者：
Irakli S. Nanobashvili
机构：
[1] Georgian Academy of Sciences,Center for Plasma Astrophysics of Abastumani Astrophysical Observatory
来源：
Astrophysics and Space Science | 2004年 / 294卷
关键词：
pulsars; magnetic field; magnetosphere; relativistic plasma; instabilities;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Plasma mechanism for the generation of toroidal magnetic field in the magnetosphere of Crab pulsar is presented. The mechanism is based on the development of parametric type instability in the relativistic electron-positron plasma of the pulsar magnetosphere. As a result of plasma corotation with pulsar and its magnetic field, the effect of plasma radial braking takes place and the time dependence of plasma particle radial velocity is harmonic. This triggers the development of parametric type instability in the relativistic plasma of the pulsar magnetosphere. The energy for this process is drawn from the slowing down of pulsar rotation.
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页码：125 / 134
页数：9
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