力场中时间进程的变化与不可测性
The Change of the Course of Time in a Force Field and Imponderability
摘要：
结果表明，相对论力学中的力不仅是质点相对于惯性系加速的原因，而且是质点运动轨迹随时间变化的原因。这就是构成狭义相对论（相对论力学）基础的动力学原理的物理内容。本文导出了质点在惯性参考系中受力场作用时运动轨迹上各点间相对时间历程的一般公式。本文还讨论了该理论在均匀场中的应用--重力场和电磁场，以及质点产生的引力场。研究了粒子在外力场中不可测态的物理性质。值得注意的是，力场中时间过程的变化与时空度规的变化没有任何联系，而是相对论力学因果原理的直接结果。
英文摘要：
It is shown that the force in relativistic mechanics is not only the cause of acceleration of particle relative to an inertial frame of reference, but also the cause of change of the course of time along the particle's trajectory. Therein lies the physical content of the dynamical principle underlying the special theory of relativity (relativistic mechanics). The general formula for the relative course of time between the points lying on the trajectory of motion of particle under the action of a force field in an inertial reference frame is derived. The applications of the theory developed to homogeneous fields - to the field of gravity and electromagnetic field, and also to the gravitational field produced by a point mass particle are considered. Physical properties of the state of imponderability of particle in an external force field are investigated. It is noted that the change in the course of time in a force field is in no way connected with the change in space-time metric and is a direct consequence of the causality principle of relativistic mechanics.
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