爱因斯坦理论中的排斥力
A repulsive force in the Einstein theory
摘要：
激光干涉仪引力波观测站探测到的引力波带走了两个黑洞合并时总质量的5%，这说明了在爱因斯坦广义相对论框架内考虑一个系统的不同引力质量的重要性。本文计算了由大量发射引力波的物体组成的准球形系统的非定常场中粒子的加速度。结果表明，由于发射引力波，系统的引力质量减少，导致排斥引力随时间减小，但永远不会消失。这种排斥力可能与观测到的宇宙膨胀有关。
英文摘要：
The Laser Interferometer Gravitational-Wave Observatory (LIGO) detection of gravitational waves that take away 5 per cent of the total mass of two merging black holes points out on the importance of considering varying gravitational mass of a system in the framework of the Einstein general theory of relativity. We calculate the acceleration of a particle in the non-stationary field of a quasi-spherical system composed of a large number of objects emitting gravitational waves. It is shown that reduction of the gravitational mass of the system due to emitting gravitational waves leads to a repulsive gravitational force that diminishes with time but never disappears. This repulsive force may be related to the observed expansion of the Universe.
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