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Abstract: We derive Huygens- principle for electrodynamics in terms of 4-vectorpotentials defined as distributions supported on a surface surrounding thecharge-current density. By combining the Pauli algebra with distributiontheory, a compact and conceptually simple derivation of the Stratton-Chu andKottler-Franz equations is obtained. These are extended to freely movingintegration surfaces, so that the fields due to charge distributions inarbitrary motion are represented. A further generalization is obtained tomultiple surfaces, which can be used to enclose clusters of transmitters,scatterers and receivers.



Author: Gerald Kaiser

Source: https://arxiv.org/



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