This computation will be omitted here.V. CONCLUSION In this communication the properties of the dyadic Green's functions in homogeneous media bounded by perfectly conducting surfaces have been analyzed. In particular a theory has been developed, evidencing explicitly the contribution which is singular when the observation point approaches the source point. This is expressed in a similar form to that of the free space, allowing a generalization of the theory developed in that case. REFERENCES H. Levine and J. Schwinger, "On the theory of electromagnetic wave diffraction by an aperture in an infinite plane conducting screen."Comm.
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