Parsec 尺度喷流中节点的电磁机理
天体物理学
2007-05-23 v1
摘要
我们考虑在相对力自由的 Pointing 磁力主导喷流中,螺旋电磁扰动的传播与稳定性。发现扰动在喷流内部共振面附近耗能,此处扰动与阿尔芬波共振。扰动的能量转化为加速粒子的能量,这些粒子发射同步辐射。该辐射的强度和偏振随扰动而调制。具有消失群速度的扰动最为重要,可能与 parsec 尺度喷流中的亮条节相关联。
关键词
引用
@article{arxiv.astro-ph/0309683,
title = {Electromagnetic Mechanism for the Origin of Knots in Parsec Scale Jets},
author = {V. I. Pariev and Ya. N. Istomin and A. R. Beresnyak},
journal= {arXiv preprint arXiv:astro-ph/0309683},
year = {2007}
}
备注
3 pages, to be published in the ASP Conference Series, Proceedings of the meeting "Future Directions in High Resolution Astronomy: A Celebration of the 10th Anniversary of the VLBA", held June 8 - 12, 2003, in Socorro, New Mexico, USA