虚粒子对指一个虚粒子与一个虚反粒子组成的粒子对。虚粒子对中的两个粒子在空间中的同一点产生,并在极短的时间内湮灭。在此过程中,如果虚粒子进入黑洞的事件视界,虚反粒子就变成实反粒子;如果虚反粒子进入黑洞的事件视界,虚粒子就变成实粒子。
运用两维半、全电磁模型的MAGIC程序对同轴式反射三极管中的虚阴极振荡现象进行了粒子模拟研究。
In this paper the phenomena of the virtual cathode oscillation in coaxial reflex triode are investigated by means of two and one half dimensional and fully electromagnetic MAGIC code.
在本文中我们得到了极化和关联所贡献的单粒子位虚部的解析表达式,并通过色散关系计算了它们对单粒子位实部的贡献。
The imaginary parts of the polarization and correlation contributions are calculated analytically and the real parts of them are obtained by means of dispersion relation.
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