Expressing the electromagnetic interaction energy
Vrejoiu, C.
Original · EN
The interaction energy of a given distribution of electric charges and currents with an electromagnetic external field is expressed by the Cartesian components of the multipole tensors of this distribution. Special attention is paid to the reduction of these tensors to the symmetric traceless ones. Although one uses the Cartesian tensor components in the explicit calculations, the final results are given in consistent tensorial form.
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