Line adsorption in a mean-field density-functional model

K. Koga, B. Widom

    Research output: Contribution to journalArticlepeer-review

    4 Citations (Scopus)


    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
    Issue number22-24
    Publication statusPublished - Nov 2006

    ASJC Scopus subject areas

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


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