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Some remarks on green's dyadic for infinite space

1961; Institute of Electrical and Electronics Engineers; Volume: 9; Issue: 6 Linguagem: Inglês

10.1109/tap.1961.1145064

1558-3643

J. Van Bladel,

Thermal Radiation and Cooling Technologies

The validity of the often used dyadic -(\jmath + \frac{1}{k^{2}}\nabla \nabla )\frac{e^{-jkR}{4\piR} to compute the electric field inside a current-carrying region is investigated. It is found that care must be exercised in the definition of the integrals, which should be taken as principal values around the field point.