首页> 外文期刊>Physical review, E. Statistical physics, plasmas, fluids, and related interdisciplinary topics >Efficient molecular dynamics in Coulomb systems with two-dimensional periodicity: Application to polyelectrolyte brushes - art. no. 046707
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Efficient molecular dynamics in Coulomb systems with two-dimensional periodicity: Application to polyelectrolyte brushes - art. no. 046707

机译:具有二维周期性的库仑系统中的有效分子动力学:应用于聚电解质电刷-艺术。没有。 046707

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摘要

We study polyelectrolyte brushes in an electrolyte solution by molecular dynamics simulations. The efficient calculation method to treat the Coulomb systems with two-dimensional periodicity is presented, employing the particle-cell acceleration technique and the Lekner summation method. The structural formation of polyelectrolyte brushes and the electrostatic screening effect with monovalent salts are clarified numerically. The calculated results show the dependence of the structural formation in polyelectrolyte brushes on the grafting density and the concentration of added salts. The calculated results show the dependence on the grafting density and the concentration of added salts in the structural formation of polyelectrolyte brushes. [References: 23]
机译:我们通过分子动力学模拟研究电解质溶液中的聚电解质刷。提出了一种利用粒子细胞加速技术和莱克纳求和法对具有二维周期性的库仑系统进行有效计算的方法。数值上阐明了聚电解质刷的结构形成和单价盐的静电屏蔽作用。计算结果表明聚电解质刷中结构的形成对接枝密度和所加盐浓度的依赖性。计算结果表明,在聚电解质电刷的结构形成过程中,接枝密度和所加盐的浓度具有依赖性。 [参考:23]

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