dorsal/arxiv
View SchemaDiscrete solvent effects on the effective interaction between charged colloids
| Authors | E. Allahyarov, H. Löwen |
|---|---|
| Categories | |
| ArXiv ID | physics/0008029 |
| URL | https://arxiv.org/abs/physics/0008029 |
| DOI | 10.1088/0953-8984/13/13/102 |
Abstract
Using computer simulations of two charged colloidal spheres with their counterions in a hard sphere solvent, we show that the granular nature of the solvent significantly influences the effective colloidal interaction. For divalent counterions, the total effective force can become attractive generated by counterion hydration, while for monovalent counterions the forces are repulsive and well-described by a solvent-induced colloidal charge renormalization. Both effects are not contained in the traditional "primitive" approaches but can be accounted for in a solvent-averaged primitive model.
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"abstract": "Using computer simulations of two charged colloidal spheres with their\ncounterions in a hard sphere solvent, we show that the granular nature of the\nsolvent significantly influences the effective colloidal interaction. For\ndivalent counterions, the total effective force can become attractive generated\nby counterion hydration, while for monovalent counterions the forces are\nrepulsive and well-described by a solvent-induced colloidal charge\nrenormalization. Both effects are not contained in the traditional \"primitive\"\napproaches but can be accounted for in a solvent-averaged primitive model.",
"arxiv_id": "physics/0008029",
"authors": [
"E. Allahyarov",
"H. L\u00f6wen"
],
"categories": [
"physics.chem-ph",
"physics.comp-ph"
],
"doi": "10.1088/0953-8984/13/13/102",
"title": "Discrete solvent effects on the effective interaction between charged colloids",
"url": "https://arxiv.org/abs/physics/0008029"
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