Propagation of a Monoenergetic Electron Beam in the Solar Corona |
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Authors: | Mel'nik VN Lapshin V Kontar E |
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Institution: | (1) Institute of Radio Astronomy of National Academy of Sciences, 310002 Kharkov, Ukraine;(2) National Science Center 'Institute of Physics & Technology', 310108 Kharkov, Ukraine;(3) Kharkov State University, 310077 Kharkov, Ukraine |
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Abstract: | The dynamics of an electron beam is considered when the initial electron distribution is localized in a space region. Analysis is conducted for the parameters of the beam and plasma that give radio emission. We demonstrate both numerically and analytically that beam electrons propagate as a beam-plasma structure at large distances. The speed of the beam-plasma structure is equal to half of the maximum velocity of the electrons involved in this structure. The structure conserves the shape of the initial spatial distribution of electrons. A plateau with a constant maximum velocity is formed at the electron distribution function in each spatial point. |
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