引力理论中的自由降落
Free Fall in Gravitational Theory
摘要：
爱因斯坦对水星近日点运动的解释已经被天文观测所证实。他的公式也可以获得史瓦西度量和出版已经在1898年。然而，爱因斯坦和史瓦西的运动方程都错误地描述了沿直线测地线的运动，即自由降落到角动量为零的引力中心。通过考虑加速器物理学中采用的牛顿引力定律中质量对速度的依赖性，可以获得自由降落的物理解。
英文摘要：
Einstein's explanation of Mercury's perihelion motion has been verified by astronomical observations. His formula could also be obtained in Schwarzschild metric and was published already in 1898. Motion along a straight geodesic, however, namely, free fall into a gravitational center with vanishing angular momentum, is incorrectly described both by Einstein's and by Schwarzschild's equation of motion. A physical solution for free fall may be obtained by taking into account the dependence of mass on velocity in Newton's gravitational law as adopted in the physics of accelerators.
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