Chaotic particle motion around a homogeneous circular ring

Chaotic particle motion around a homogeneous circular ring
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均匀圆环周围的混沌粒子运动

DOI:
10.1103/physrevd.102.044019
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发表时间:
2020
期刊:
影响因子:
5
通讯作者:
Takahisa Igata
Takahisa Igata
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Takahisa Igata;Shinya Tomizawa;Takahisa Igata;Takahisa Igata

文献摘要

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我们考虑在由放置在维欧几里得空间中的均匀圆环产生的引力场中测试粒子运动。我们观察到不存在稳定的静止轨道,但存在于 4、5 中,并阐明了它们出现的区域。在中,我们表明,尽管我们没有发现稳定束缚轨道的混沌迹象,但哈密尔顿-雅可比方程的变量分离并未发生。由于系统是可积的,因此不会出现混乱。在其中,我们发现了一些混沌稳定束缚轨道。因此,该系统至少是不可积的,并且表明相应黑环时空中的类时测地线系统是不可积的。
We consider test particle motion in a gravitational field generated by a homogeneous circular ring placed in-dimensional Euclidean space. We observe that there exist no stable stationary orbits inbut exist in, 4, 5 and clarify the regions in which they appear. In, we show that the separation of variables of the Hamilton-Jacobi equation does not occur though we find no signs of chaos for stable bound orbits. Since the system is integrable in, no chaos appears. In, we find some chaotic stable bound orbits. Therefore, this system is nonintegrable at least inand suggests that the timelike geodesic system in the corresponding black ring spacetimes is nonintegrable.