论磁层等离子体的有质动力金属化
On ponderomotive metallization of magnetospheric plasma
AI总结：
本文研究磁层中阿尔芬波对不同荷质比离子的有质动力分离，推导了轻、重离子的部分有质动力公式，并发现等离子体金属性（克拉克数）在磁场最小值处最大。
摘要：
提出了在阿尔芬波影响下，具有不同荷质比的离子发生有质动力分离的问题，这些波以地磁脉动的形式永久存在于磁层中。推导了作用于轻离子和重（金属）离子的部分有质动力公式。在准流体动力学近似下，发现表征等离子体金属性的克拉克数在阿尔芬波传播的磁力线上磁场最小值处达到最大。关键词：有质动力，阿尔芬波，重离子，克拉克数。
英文摘要：
The problem of ponderomotive separation of ions with different charge-to-mass ratios under the influence of Alfven waves, which permanently exist in the magnetosphere in the form of geomagnetic pulsations, is posed. Formulas are derived for partial ponderomotive forces acting on light and heavy (metal) ions. In the quasi-hydrodynamic approximation, it was found that the Clarke number, which characterizes the metallicity of the plasma, is maximum at the minimum of the magnetic field on the field line along which the Alfvén wave propagates. Key words: ponderomotive forces, Alfvén waves, heavy ions, Clarke number.
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