IMECH-IR  > 力学所知识产出(1956-2008)
共转圈的奇异性对盘状星系密度波的影响
胡文瑞
Source Publication中国科学A辑
1977
Issue2Pages:109-115
ISSN1006-9232
Abstract在气体动力学的星系盘模型中,本文讨论了边际稳定性时共转圈奇异性对中性密度波的影响。结果表明,共转圈奇异性对波的色散关系的影响是全局性的。计算了与银河系相类似的星系模型。共转圈附近波的群速度与自由密度波的关系有很大差异,能够严重地改变密度波传播的能流迴路。除非特定星系模型严格不存在共转奇异性,共转点不会是双零转向点。
Keyword密度波 奇异性 色散关系 群速度 共转 边际稳定性 级数解 导行波 本方程
Language中文
Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/38784
Collection力学所知识产出(1956-2008)
Corresponding Author胡文瑞
Recommended Citation
GB/T 7714
胡文瑞. 共转圈的奇异性对盘状星系密度波的影响[J]. 中国科学A辑,1977,2,:109-115.
APA 胡文瑞.(1977).共转圈的奇异性对盘状星系密度波的影响.中国科学A辑(2),109-115.
MLA 胡文瑞."共转圈的奇异性对盘状星系密度波的影响".中国科学A辑 .2(1977):109-115.
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