Geodesic
On solving the dispersion relations for waves in guiding electrodynamic structures on the complex planes of wavenumbers
Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 55 (2015) no. 6, pp. 1028-1038 Cet article a éte moissonné depuis la source Math-Net.Ru

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The problem of solving the dispersion relations for waves in guiding electrodynamic structures on the complex planes of wavenumbers is considered. A method combining the positive features of the Muller method and the phase variation method based on the argument principle is proposed. The implementation of the method is described. For estimating the correctness of the solutions obtained, a new approach employing the convergence to zero of the period-averaged power flux of complex waves is suggested. 
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     title = {On solving the dispersion relations for waves in guiding electrodynamic structures on the complex planes of wavenumbers},
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V. A. Malakhov; A. S. Raevskii; S. B. Raevskii. On solving the dispersion relations for waves in guiding electrodynamic structures on the complex planes of wavenumbers. Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki, Tome 55 (2015) no. 6, pp. 1028-1038. http://geodesic.mathdoc.fr/item/ZVMMF_2015_55_6_a10/

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