对电磁能流的一点认识
熊汉亮
摘要(Abstract):
<正> 当前的物理学教科书都视坡印廷向量为电磁能流密度,其物理意义是单位时间内穿出与能流方向相垂直的单位面积的能量,即功率流密度。然而,对坡印廷向量能否真正表征电磁场中各点能流密度的大小和方向历来就有争议,也曾出现过多种不同的能流密度向量,特别值得提出的是斯列潘向量。物理学是探索自然现象的内在规律和本质联系的
关键词(KeyWords):
基金项目(Foundation):
作者(Author): 熊汉亮
参考文献(References):
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