论文标题

电磁方法来得出基本的相对论转换

An electromagnetic way to derive basic relativistic transformations

论文作者

Wu, Congjun

论文摘要

我们通过检查交叉电磁场配置中的漂移速度来得出相对论速度的加法,电磁场的转换和时空间隔。光速度不变性的假设不是先验的,而是被推导为物理漂移速度的通用上限。关键是,通过惯性参考框架变换,电荷或磁电荷的物理漂移仍然是漂移运动。如此简单的事实与加利利速度的增加不相容。该推导提供了一种通过基本电磁学引入相对性的方法。

We derive the relativistic velocity addition law, the transformations of electromagnetic fields and space-time intervals by examining the drift velocities in a crossed electromagnetic field configuration. The postulate of the light velocity invariance is not taken as a priori, but is derived as the universal upper limit of physical drift velocities. The key is that a physical drift of either an electric charge or a magnetic charge remains a drift motion by inertial reference frame transformations. Such a simple fact is incompatible with the Galilean velocity addition. This derivation provides a way to introduce relativity via elementary electromagnetism.

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