由关联诱导电荷引起的宏观离子的非单调膨胀 反演

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摘要翻译：
众所周知，一个大的带电体浸入多价反离子溶液中，当反离子吸附到其表面时，会发生电荷反转。我们用电荷反转理论研究了一个可变形的多孔大离子的情况，它可以将多价离子吸附到其本体中，形成三维强关联液体。当多价离子加入溶液时，这种吸附可能导致巨离子大小的非单调变化。当裸电荷被屏蔽时，巨离子首先收缩，然后当被吸附的离子反转净电荷的符号时，巨离子再次收缩。我们导出了这样一个宏观离子所经历的外向压强的值，它是溶液中离子浓度的函数。我们发现，当多价离子浓度偏离中性点（物体的净电荷为零）时，肿胀尺寸随多价离子浓度与中性点浓度之比的对数呈抛物线增长。
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英文标题：
《Non-monotonic swelling of a macroion due to correlation-induced charge
  inversion》
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作者：
Brian Skinner, B. I. Shklovskii
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最新提交年份：
2009
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分类信息：

一级分类：Physics        物理学
二级分类：Soft Condensed Matter        软凝聚态物质
分类描述：Membranes, polymers, liquid crystals, glasses, colloids, granular matter
膜，聚合物，液晶，玻璃，胶体，颗粒物质
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一级分类：Physics        物理学
二级分类：Statistical Mechanics        统计力学
分类描述：Phase transitions, thermodynamics, field theory, non-equilibrium phenomena, renormalization group and scaling, integrable models, turbulence
相变，热力学，场论，非平衡现象，重整化群和标度，可积模型，湍流
--

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英文摘要：
  It is known that a large, charged body immersed in a solution of multivalent counterions may undergo charge inversion as the counterions adsorb to its surface. We use the theory of charge inversion to examine the case of a deformable, porous macroion which may adsorb multivalent ions into its bulk to form a three-dimensional strongly-correlated liquid. This adsorption may lead to non-monotonic changes in the size of the macroion as multivalent ions are added to the solution. The macroion first shrinks as its bare charge is screened and then reswells as the adsorbed ions invert the sign of the net charge. We derive a value for the outward pressure experienced by such a macroion as a function of the ion concentration in solution. We find that for small deviations in the concentration of multivalent ions away from the neutral point (where the net charge of the body is zero), the swollen size grows parabolically with the logarithm of the ratio of multivalent ion concentration to the concentration at the neutral point.
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PDF链接：
https://arxiv.org/pdf/801.3443

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关键词：Dimensional Experienced Statistical Transitions equilibrium 电荷 多价 inversion may 溶液