Transition radiation of a charge in media with a nonuniform potential |
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Authors: | V. L. Fal’ko S. I. Khankina V. M. Yakovenko I. V. Yakovenko |
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Affiliation: | (1) Institute of Radiophysics and Electronics, Ukrainian National Academy of Sciences, 310085 Kharkov, Ukraine;(2) Molniya Scientific-Research and Design Institute, Kharkov Physicotechnical Institute, 310013 Kharkov, Ukraine |
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Abstract: | The influence of a potential barrier on the transition radiation in the form of volume and surface electromagnetic waves emitted by a charged particle crossing an interface between media is investigated. It is shown that the volume-wave radiation field arises not only as a result of the jump in the dielectric constant at the boundary but also as a result of the velocity jump and the reflection of an electron induced by the presence of a nonuniform potential barrier. The angular distribution of the transition radiation intensity is obtained. Zh. Tekh. Fiz. 68, 11–14 (January 1998) |
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