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首页> 外文期刊>Physica Scripta: An International Journal for Experimental and Theoretical Physics >Effect of charge fluctuations on the Debye shielding and energy loss of N x M projectiles in a dusty plasma
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Effect of charge fluctuations on the Debye shielding and energy loss of N x M projectiles in a dusty plasma

机译：电荷起伏对尘埃等离子体中N x M子弹的德拜屏蔽和能量损失的影响

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摘要

The electrostatic potential and the energy loss by N x M projectiles propagating through a dusty plasma are derived within the frame work of dielectric theory for different dust parameters of interest. An interference contribution of these projectiles to the potential and energy loss is observed which depends upon the separation between them and their orientation. The dynamic dust charge produces a potential well instead of a coulombic type potential for a slowly moving test charge having small charge relaxation rate and energy is gained by the charged projectiles. However. fast charge relaxation enhances the energy loss and some peaks are also observed showing the excitation of some electrostatic modes. These results are useful to explain the coagulation of dust grains in laboratory and space plasma as well as in the field ion-beam driven ICF scheme. [References: 23]
机译：在介电理论的框架内，针对感兴趣的不同粉尘参数，推导了通过尘埃等离子体传播的N x M子弹产生的静电势和能量损失。观察到这些弹丸对势能和能量损失的干扰贡献，这取决于它们之间的距离及其方向。对于具有缓慢电荷松弛速率的缓慢移动的测试装药，动态粉尘装药产生的势阱代替库仑型电势，并且带电的弹丸获得能量。然而。快速电荷弛豫会增加能量损失，并且还会观察到一些峰，表明某些静电模式的激发。这些结果可用于解释实验室和太空等离子体以及离子束驱动的ICF方案中尘埃颗粒的凝结。 [参考：23]

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