Abstract
The spectrum of slow electromagnetic waves (EMWs) existing in a left-handed medium based on a magnetoactive plasma metamaterial has been theoretically studied. The metamaterial under study is a strip waveguide completely filled with longitudinally magnetized cold electron plasma containing a periodic structure made from ideally conducting split-ring resonators. It is shown that there exists either one (ordinary) or two (ordinary and extraordinary) slow EMWs in a left-handed medium based on anisotropic plasma, depending on the chosen values of the split-ring resonator eigenfrequency and magnetic induction. It is found that the extraordinary EMW has a negative dispersion, while the dispersion characteristic of the ordinary EMW contains portions of both negative and positive dispersion.
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This study was supported by the Russian Science Foundation, grant no. 19-79-20121.
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Translated by A. Sin’kov
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Bogomolova, A.V., Grishin, S.V. & Sharaevskii, Y.P. Slow Electromagnetic Waves in a Left-Handed Medium Based on Magnetoactive Plasma Metamaterial. Tech. Phys. Lett. 46, 1241–1244 (2020). https://doi.org/10.1134/S1063785020120184
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DOI: https://doi.org/10.1134/S1063785020120184