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arXiv 0901.2306gr-qc
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史瓦西时空中的振动系统:朝向引力的新实验?

Vibrating systems in Schwarzschild spacetime: towards new experiments in gravitation?

L. Bergamin, P. Delva, A. Hees

摘要:

本文研究了Schwarzschild时空中自由落体两体系统的高频振动效应。作为参考运动的同一系统没有振动的圆形轨道周围的中心体被认为是。振动引起的这种运动的扰动,其周期接近于轨道周期,与希罗科夫效应\cite{Shirokov:1973gr}的简单情况一致。在广义相对论中,微扰的振幅主要由高速效应所控制,高速效应在圆形轨道的半径$r$内线性增长,而在牛顿极限下幸存的主导项则衰减为$1/r$。因此,即使在很大的半径牛顿物理和广义相对论之间的显着差异被发现。我们给出了一个估计的这种影响的一些分子振动的系统绕地球运行。

英文摘要:

In this paper the effects of vibrations at high frequencies onto a freely falling two-body system in Schwarzschild spacetime are investigated. As reference motion of the same system without vibrations a circular orbit around the central body is considered. The vibrations induce a perturbation on this motion, whose period is close to the orbital period, in agreement with the simpler situation of the Shirokov effect \cite{Shirokov:1973gr}. In general relativity the amplitude of the perturbation is dominated by high velocity effects, which grow linearly in the radius $r$ of the circular orbit, while the leading term surviving the Newtonian limit decays as $1/r$. Thus even for very large radii a significant difference between Newtonian physics and general relativity is found. We give an estimate of this effect for some molecular vibrations of a system orbiting around the Earth.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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