交流电速度可能超光速20倍—兼评郑翊等人的论文“电磁场的传播速度”  

The Speed of Alternating Electricity Can Be 20 Times Faster than the Speed of Light—Comments on “EM Wave Propagation Speed” by Yi Zheng and Others

作　　者：张操[1] 廖康佳 

机构地区：[1]复旦大学,核科学与技术系,上海

出　　处：《现代物理》2015年第6期125-132,共8页Modern Physics

摘　　要：交流电源产生的电动势在电路内产生了交变电势差以及纵向电场。交变电场在金属导线内带动了电子运动,产生了电流和电功率。交流电(功率)的速度不是常数,它与电路参数相关。在大多数情况下,交流电的速度是低于光速的。可是在特定的电路参数情况下,交流电的速度可能超过光速20倍以上。我们实验的出发点是RL交流电路的电压方程,其中包含了欧姆定律。这个方程是与Maxwell方程相互独立的。本实验的关键是:RL电路中纵向交变电场的时间延迟是由直导线自身的电感引起的,导线自感量与长度有一定的相关性。实验表明,交流电在金属导线中可能以超光速传输信号和电能。光速不是一切物质运动的极限。Alternating electromotive force generates alternating electrical potential difference and produces a longitudinal electric field in circuits. An alternating electric field within the metal wire leads the movement of electrons, resulting in a current and electric power. The speed of alternating electricity is not constant, which is associated with the circuit parameters. In most cases, the speed of alternating electricity is less than the speed of light. However, under some specific circuit parameters, the speed of alternating electricity may exceed more than 20 times the speed of light. The voltage equation of RL circuit involves the Ohm’s law. This equation is independent of Maxwell equations. The key in our experiment is: in RL circuits, the time delay of alternating electric field is caused by the wire inductance, which is related to the length of the wire. Our experimental results show that the speed of alternating electricity may be 20 times faster than the speed of light. The speed of light is not the up-limit in universe.

关 键 词：交流电的速度 RL电路 纵向电场 时间延迟 超光速 

分 类 号：G6[文化科学—教育学]