On Poynting's Theorem and Reciprocity Relations for Discontinuous Fields

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Scientific Paper
Title On Poynting\'s Theorem and Reciprocity Relations for Discontinuous Fields
Author(s) Burak Polat
Keywords Maxwell equations, Poynting theorem, electromagnetic analysis, electromagnetic fields, electromagnetic energy, reciprocity, reaction concept, distribution theory
Published 2007
Journal None
Volume 49
Number 4
No. of pages 10
Pages 74-83


IEEE Antennas and Propagation Magazine, Vol. 49, No. 4, August 2007. Poynting's theorem and reciprocity relations are investigated, based on the postulate that Maxwell's equations are always valid in the sense of distributions. Three special cases of practical importance in which the fields possess bounded discontinuities on simple (nonmaterial) and material interfaces between two different media are rigorously examined, incorporating the basic properties of the Heaviside unit step function and the Dirac delta distribution for multiple variables.