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- Title
Line adsorption in a mean-field density-functional model.
- Authors
Koga, K.; Widom, B.
- 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 τ the infinitesimal change in the line tension τ that accompanies the infinitesimal changes dμi in the thermodynamic field variables μi and with Λi 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.
- Subjects
DENSITY functionals; GIBBS phenomenon; STOCHASTIC convergence; INTERFACES (Physical sciences); SURFACE chemistry
- Publication
Molecular Physics, 2006, Vol 104, Issue 22-24, p3469
- ISSN
0026-8976
- Publication type
Academic Journal
- DOI
10.1080/00268970600958574