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New model to calculate the vibrational lattice frequency in dustcrystals using a generalized nonlinear screening potential

机译:计算灰尘中振动晶格频率的新模型广义非线性筛选势的晶体

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Summary form only given, as follows. The formation of Coulombquasi lattices involving high charged dust grains is alreadydemonstrated and actually is very interesting in the physics of dustyplasmas. In this paper we consider dust-crystal structures in the sheathregion where a balance between gravitational and electrostatic forceslevitates the particles above an horizontal biased electrode. Using anonlinear calculation of the screening potential for no-point charges,we determine the corrected frequency of the vertical modes ofoscillation of dust crystals. The use of this screening potential ismore realistic than that of Debye or dressed potentials. An analysis ofthis frequency as a function of the plasma parameter is carried out andcompared with the values obtained using previous models
机译:仅给出摘要表格,如下。库仑的形成 包含高电荷尘埃颗粒的准晶格已经存在 在尘土飞扬的物理学中展示出来,并且实际上非常有趣 血浆。在本文中,我们考虑了护套中的尘埃晶体结构 重力和静电力之间达到平衡的区域 使颗粒悬浮在水平偏置电极上方。用一个 无点电荷的筛选潜力的非线性计算, 我们确定垂直模式的校正频率 尘埃晶体的振荡。这种筛选潜力的用途是 比德拜(Debye)或衣冠楚楚的潜力更现实。分析 该频率是等离子体参数的函数,并且 与使用先前模型获得的值进行比较

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