Surface tension at the liquid-vapor interface of screened ionic mixtures

The liquid-vapor interface of binary mixtures of charged particles is studied using molecular dynamics (MD) simulations. The interaction between particles is given by a short-range repulsive potential plus an attractive/repulsive Yukawa term, which models screened electrostatic interactions. To o...

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Бібліографічні деталі
Дата:2004
Автори: Gonzalez-Melchor, M., Tapia-Medina, C., Mier-y-Teran, L., Alejandre, J.
Формат: Стаття
Мова:English
Опубліковано: Інститут фізики конденсованих систем НАН України 2004
Назва видання:Condensed Matter Physics
Онлайн доступ:https://nasplib.isofts.kiev.ua/handle/123456789/119023
Теги: Додати тег
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Цитувати:Surface tension at the liquid-vapor interface of screened ionic mixtures / M. Gonzalez-Melchor, C. Tapia-Medina, L. Mier-y-Teran, J. Alejandre // Condensed Matter Physics. — 2004. — Т. 7, № 4(40). — С. 767–778. — Бібліогр.: 20 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
Опис
Резюме:The liquid-vapor interface of binary mixtures of charged particles is studied using molecular dynamics (MD) simulations. The interaction between particles is given by a short-range repulsive potential plus an attractive/repulsive Yukawa term, which models screened electrostatic interactions. To obtain the components of the pressure tensor two methods were used: a hybrid MD method which combines the hard sphere and continuous forces and a standard continuous MD method where the hard sphere was replaced by a soft interaction. We show that both models give essentially the same results. As the range of interaction decreases, the critical temperature and surface tension increase. The comparison with the restricted primitive model of ionic fluids is discussed.