Long-time self-diffusion of charged Brownian particles: self-friction vs. electrolyte friction
| Autor: | O. Alarcón-Waess, J. M. Méndez-Alcaraz |
|---|---|
| Rok vydání: | 1999 |
| Předmět: |
Statistics and Probability
Self-diffusion Materials science Thermodynamics Electrolyte Condensed Matter Physics Condensed Matter::Soft Condensed Matter symbols.namesake Formalism (philosophy of mathematics) Interaction potential Generalized langevin equation Volume fraction symbols Brownian motion Debye |
| Zdroj: | Physica A: Statistical Mechanics and its Applications. 268:75-88 |
| ISSN: | 0378-4371 |
| DOI: | 10.1016/s0378-4371(99)00047-3 |
| Popis: | The generalized Langevin equation formalism proposed by Medina-Noyola is used to calculate the long-time self-diusion coecient D l of charged spherical Brownian particles as function of their charge Q0 and volume fraction ’, and of the salt concentration ns. The eects of self-friction and of electrolyte friction are considered simultaneously. The combined action of the Debye{ H uckel screening of the interparticle interaction potential and of the electrolyte friction is found to result in a non-monotonic behavior of D l |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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