非均匀表面的屏蔽：Janus粒子的电荷重整化
Screening of heterogeneous surfaces: charge renormalization of Janus particles
摘要：
根据表面电荷的模式分解，发展了非均匀带电球体的非线性离子屏蔽理论。由此产生的静电势的远场分析导致电荷重整化从纯单极到偶极、四极等的自然推广，包括模式耦合。我们的新方案一般适用于大类的表面异质性，并明确适用于这里的Janus领域与不同的收费上，下半球，揭示了强大的重整化效应的所有多极。
英文摘要：
Nonlinear ionic screening theory for heterogeneously charged spheres is developed in terms of a mode-decomposition of the surface charge. A far-field analysis of the resulting electrostatic potential leads to a natural generalization of charge renormalization from purely monopolar to dipolar, quadropolar, etc., including mode-couplings. Our novel scheme is generally applicable to large classes of surface heterogeneities, and is explicitly applied here to Janus spheres with differently charged upper and lower hemispheres, revealing strong renormalization effects for all multipoles.
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