The Influence of the Cosmological Expansion on Local Systems

The Influence of the Cosmological Expansion on Local Systems
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DOI：
10.1086/305956
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发表时间：
1998-03
期刊：
The Astrophysical Journal
影响因子：
--
通讯作者：
F. Cooperstock;V. Faraoni;D. Vollick
F. Cooperstock;V. Faraoni;D. Vollick
中科院分区：
其他
文献类型：
--
作者：
F. Cooperstock;V. Faraoni;D. Vollick

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随着新的兴趣，宇宙膨胀是否影响局部系统动力学的问题被重新考虑。计算了在局部惯性费米正规坐标系（天文观测的相关坐标系）中运动方程的宇宙学修正。在此框架下求解了二体问题的宇宙学微扰演化方程。对轨道的影响是微不足道的，就像对银河系和星系团尺度的影响一样。
Following renewed interest, the problem of whether the cosmological expansion affects the dynamics of local systems is reconsidered. The cosmological correction to the equations of motion in the locally inertial Fermi normal frame (the relevant frame for astronomical observations) is computed. The evolution equations for the cosmological perturbation of the two-body problem are solved in this frame. The effect on the orbit is insignificant, as are the effects on the galactic and galactic-cluster scales.