arXiv · 1006.0696
On the $δ$-singularities of the electromagnetic field
Abstract
The singularities of the electromagnetic field are derived to include all the point-like multipoles representing an electric charge and current distribution. We show that for higher orders, it is more efficient to have fields represented in terms of symmetric and trace free moments. In the static case, the delta-singularities are expressed for arbitrary multipole orders, while in the dynamic case we restrict ourselves to the lower orders. The algorithm we give can be easily extended to the next orders.
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C Vrejoiu, R Zus. 2010-06-03. On the $δ$-singularities of the electromagnetic field. https://arxiv.org/abs/1006.0696
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