Varea, C.; Robledo, A. - In: Physica A: Statistical Mechanics and its Applications 183 (1992) 1, pp. 12-24
We investigate the properties of the line, say the x-axis, at which two or more interfaces meet, and derive an exact expression for its excess free energy in terms of the gradients of the densities ϱa = ϱa(y,z) and the direct correlation function C(2)ab(|x−x'|; y, y'; z, z'). We evaluate the...