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Chakhmachi A, Ataeiseresht L. Long-time Quasilinear evolution and saturation of free electron laser in Raman regime. ICOP & ICPET _ INPC _ ICOFS 2014; 20 :1445-1448
URL: http://opsi.ir/article-1-150-en.html
URL: http://opsi.ir/article-1-150-en.html
1- Plasma Physics and Nuclear Fusion Research School
Abstract: (5352 Views)
The long-time quasilinear evolution of the electron beam distribution function and the spectral energy density in a free- electron laser in presence of the space charge wave is investigated. The long-time quasilinear evolution of system is investigated within the context of a simple “water-bag” model for distribution function. A broad spectrum of waves is assumed in order to have a relatively wide range of resonant particles. By means of the Vlasov- Maxwell equation the long time quasilinear evolution of the mean electron momentum, the momentum spread, the spectral energy density, the beam energy and the efficiency of free electron laser are derived in Raman regime.
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