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Acceleration of the short high-current compensated ion bunches in the peaked fence magnetic field with additional space charge compensation by thermal electrons: 2d3v PIC simulation

机译:峰值栅栏磁场中短高电流补偿离子束的加速,以及通过热电子进行的额外空间电荷补偿:2d3v PIC模拟

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摘要

The particle in cell simulation results, within the limits of the complete set of the Maxwell-Vlasov equations, of the short high-current compensated tubular ion bunches transportation and acceleration in the peaked fence magnetic field are presented. The ion bunch current, at injection in the cusp, is compensated by electrons. It is shown that additional compensation of the accelerated ion bunch space charge by thermal electrons leads to reduction of its energy dispersion and divergence on an exit from the cusp. It is shown also that overcompensation of the ion bunch space charge by thermal electrons leads not only to increase of energy spread and divergence of an ion bunch on an exit from the cusp, but also to deceleration of an ion bunch.
机译:在Maxwell-Vlasov方程组完整的范围内,给出了单元格中模拟粒子的结果,即在峰值围栏磁场中短高电流补偿管状离子束的传输和加速度。离子束电流在注入尖端时被电子补偿。结果表明,热电子对加速的离子束空间电荷的额外补偿导致其能量散布的减少和在尖端处的出口发散。还显示出通过热电子对离子束空间电荷的过度补偿不仅导致在尖端处的离子束的能量扩散和发散的增加,而且还导致离子束的减速。

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  • 作者

    Manuilenko O.V.;

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  • 年度 2013
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  • 原文格式 PDF
  • 正文语种 en
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