论文标题
相对正确的电磁能流
Relativistically Correct Electromagnetic Energy Flow
论文作者
论文摘要
电磁场携带的能量和动量的详细研究可以是麦克斯韦方程基础的新物理学的线索来源。但是，这种研究受到电磁能流参数的表达阻碍，这些参数与特殊相对论的转化规则不一致。 本文首先纠正基本参数，即电磁能流的局部速度。这种校正是通过直接应用特殊相对论的转换规则来得出的。 校正后，可以在与能流的参考系统中表达电磁能量张量。该张量可以在共同体系统中进行对角线，并仅取决于能量密度和另一个参数。 使用静态电场和磁场的简单示例说明了校正的能量流及其能量量张量 电磁动量是在校正的流速度的背景下检查了电磁动量是由田间中包含的相对论质量运动产生的。发现电磁场动量虽然是真实的，但不能仅仅是由于相对论质量的运动。 本文得出的结论是，引入特殊相对论的一致性的要求开放了将电磁能和动量研究到新的可能性。
Detailed study of the energy and momentum carried by the electromagnetic field can be a source of clues to possible new physics underlying the Maxwell Equations. But such study has been impeded by expressions for the parameters of the electromagnetic energy flow that are inconsistent with the transformation rules of special relativity. This paper begins by correcting a basic parameter, the local velocity of electromagnetic energy flow. This correction is derived by the direct application of the transformation rules of special relativity. After this correction, the electromagnetic energy-momentum tensor can then be expressed in a reference system comoving with the energy flow. This tensor can be made diagonal in the comoving system, and brought into a canonical form depending only on the energy density and one other parameter. The corrected energy flow and its energy-momentum tensor are illustrated by a simple example using static electric and magnetic fields The proposal that electromagnetic momentum results from the motion of a relativistic mass contained in the fields is examined in the context of the corrected flow velocity. It is found that electromagnetic field momentum, though real, cannot be explained as due only to the motion of relativistic mass. The paper concludes that introducing the requirement of consistency with special relativity opens the study of electromagnetic energy and momentum to new possibilities.
