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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| Institution: | (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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