The role of a magnetic field in the formation of jet-like features in the crab nebula

被引：0
|
作者：
D. V. Khangoulian
S. V. Bogovalov
机构：
[1] Moscow Institute of Engineering Physics (Technical University),
[2] Max-Planck-Institut fur Kernphysik,undefined
来源：
Astronomy Letters | 2003年 / 29卷
关键词：
plasma astrophysics; magnetohydrodynamics; shock waves;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The toroidal magnetic field frozen in the relativistic plasma ejected by pulsars must play a significant role in the formation of jet-like features observed in the central parts of plerions. We performed a semiquantitative analysis and calculations of the plasma flow in a plerion using the perturbation theory. We show that for the latitudinal magnetic-field distribution expected during the interaction of the pulsar wind with the interstellar medium, the magnetic field will have an appreciable effect on the flow primarily near the rotation axis. In the equatorial region, the effect of the magnetic field is negligible up to distances of 7rsh.
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页码：495 / 501
页数：6
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