Excitation of growing wake waves by an electron bunch in a plasma in an intense pump wave |
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Authors: | H. B. Nersisyan |
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Affiliation: | (1) Institute of Radiophysics and Electronics, National Academy of Sciences of Armenia, Ashtarak-2, 378410, Armenia |
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Abstract: | A study is made of the excitation of wake waves by a one-dimensional electron bunch in an electron plasma in the presence of an intense monochromatic pump wave with circular polarization. In the main state (in the absence of a bunch), the interaction between a pump wave and a plasma is described by Maxwell's equations and the nonlinear relativistic hydrodynamic equations for a cold plasma. The excitation of linear waves by a one-dimensional bunch is investigated against a cold plasma background. It is shown that, in a certain range of parameter values of the bunch, pump wave, and plasma, the excitation is resonant in character and the amplitude of the excited wake waves increases with distance from the bunch. |
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