中文

黑洞周围侵入流的数值模拟

天体物理学 2007-05-23 v1

摘要

我们 presented 对黑洞吸积过程的完整时依赖解,并与解析解进行比较。我们采用光滑粒子流体力学(Smoothed Particle Hydrodynamics)和总体减小变动方法(Total Variation Diminishing)作为数值技术。除了稳态解外,我们还获得了时间依赖的结果,其中冲击波随着准周期振荡(QPOs)特征周期在银河系和类星系黑洞候选者中观察到的振荡。这种振荡在银河系候选者中产生10-15%的硬X射线变化,在类星系候选者中产生软X射线变化。

关键词

引用

@article{arxiv.astro-ph/9611071,
  title  = {Numerical Simulations Of Advective Flows Around Black Holes},
  author = {Sandip K. Chakrabarti and D. Ryu and D. Molteni and H. Sponholz and G. Lanzafame and G. Eggum},
  journal= {arXiv preprint arXiv:astro-ph/9611071},
  year   = {2007}
}

备注

3 latex pages and 3 figures. paspconf.sty and psfig.tex included. To appear in the Proceedings of IAU-163: `Accretion Phenomena and Related Outflows', Eds. D. Wickramsinghe, L. Ferrario & G. Bicknell