ON THE THEORY OF ANISOTROPIC OBSTACLES IN CAVITIES
- 1 January 1958
- journal article
- research article
- Published by Oxford University Press (OUP) in The Quarterly Journal of Mechanics and Applied Mathematics
- Vol. 11 (1) , 112-118
- https://doi.org/10.1093/qjmam/11.1.112
Abstract
Variational expressions for the resonant frequencies of a cavity containing a material with tensor electromagnetic properties are derived. The relationship of the variational expressions to the Bethe-Schwinger perturbation formula is shown. The advantage of this method over the Bethe-Schwinger perturbation method is discussed.Keywords
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