离子-质子脉冲星中射频辐射的天线源
高能天体物理现象
2023-03-29 v2
摘要
在构成离子-质子脉冲星磁层开放扇区的向外运动的离子与质子束中,纵向或准纵向 Langmuir 模的增长,会像长度为整数个半波长的端馈高阻抗水平直导线天线一样辐射。该辐射大体上具有被广泛观测到的能流、线偏振和谱指数:此外,一些积分脉冲轮廓中看到的 notch 现象也会自然出现。低于 100 MHz 的脉冲星观测新领域可能带来对射电辐射机制的有效检验。
引用
@article{arxiv.2210.12766,
title = {Antenna source of radio-frequency emission in ion-proton pulsars},
author = {P B Jones},
journal= {arXiv preprint arXiv:2210.12766},
year = {2023}
}
备注
6 pages: accepted for publication in Monthly Notices of the Royal Astronomical Society; replaced to include a new Section 2 containing an extended description of the assumptions on which the paper is based; later sections and conclusions are unchanged