Surface waves in plasma waveguides with a smooth transverse inhomogeneity |
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Authors: | M V Kuzelev N G Orlikovskaya |
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Institution: | 1. Moscow State University, Moscow, 119991, Russia
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Abstract: | A theory of cylindrical surface waves in a circular waveguide filled with a smoothly inhomogeneous plasma is presented. For a special radial profile of the plasma density, dispersion relations for the complex frequencies of surface waves are derived analytically. The dispersion relations are solved numerically (in the long-wavelength limit) and numerically. It is shown that there are two types of surface waves. When passing to the case of a sharply bounded plasma, one of the waves becomes an ordinary surface wave, while the other becomes strongly damped. |
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