Line adsorption in a mean-field density-functional model

K. Koga, B. Widom

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Recent ideas about the analogue for a three-phase contact line of the Gibbs adsorption equation for interfaces are illustrated in a mean-field density-functional model. With d the infinitesimal change in the line tension that accompanies the infinitesimal changes di in the thermodynamic field variables i and with i the line adsorptions, the sum [image omitted], unlike its surface analogue, is not 0. An equivalent of this sum in the model system is evaluated numerically and analytically. A general line adsorption equation, which the model results illustrate, is derived.

Original languageEnglish
Pages (from-to)3469-3477
Number of pages9
JournalMolecular Physics
Volume104
Issue number22-24
DOIs
Publication statusPublished - Nov 1 2006

ASJC Scopus subject areas

  • Biophysics
  • Molecular Biology
  • Condensed Matter Physics
  • Physical and Theoretical Chemistry

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