暗物质晕中脉动天体的混沌轨道动力学
Chaotic orbital dynamics of pulsating objects in dark matter halos
摘要：
恒星脉动现在是一个被广泛理解的课题。然而，还没有关于脉动对整个星系中恒星轨道动力学的影响的研究。我们调查这些振荡是否会导致混乱的行为在恒星轨道，如果它是沉浸在背景暗物质晕。我们表明，对于一定范围的参数的脉动对象，这些影响是存在于一个一般的背景物质场。然而，对于现实天体物理场景的典型参数范围，这些影响太小而无法检测到。
英文摘要：
Stellar pulsation is nowadays a widely understood subject. However, there has been no research about the effects of pulsations on the star's orbital dynamics throughout the galaxy. We investigate whether these oscillations can cause chaotic behaviour in the stellar orbit if it is immersed in background dark matter halos. We show that for a certain range of parameters of the pulsating object these effects are present in a general background matter field. However, for the typical range of parameters of realistic astrophysical scenarios, these effects are too small to be detectable.
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