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Results tagged with poynting-vector
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user 56922
The directional energy flux of an electromagnetic field. In conjunction with Poynting's theorem and the continuity equation, it used to express the conservation of electromagnetic energy, and to calculate the power flow in electric and magnetic fields.
2
votes
Accepted
Angular momentum of the electric field of a point-like electric charge and the magnetic fiel...
Answer expected by following author's hints.
\begin{align}
\mathbf{L}_{eg} &= \dfrac{1}{4\pi}\int \mathbf{r'} \times \left [\mathbf{E} \times \mathbf{B} \right] d^3r'\\
& = \dfrac{1}{4\pi} \int \left …
- 161
2
votes
1
answer
2k
views
Angular momentum of the electric field of a point-like electric charge and the magnetic fiel...
I am currently reading "Magnetic Monopoles" of Ya. Shnir. My problem is I can not retrieve a result the author provides in the first chapter of the first part. In this chapter, he studies the non-rela …
- 161