2005/07/29 | 动量密度[Momentum Density]
类别(Ω〖物理〗) | 评论(0) | 阅读(30) | 发表于 20:19
The momentum density of an electromagnetic wave is given in cgs by


where c is the speed of light, E is the electric field, B is the magnetic field, and S is the Poynting vector.
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