Adsorption 10 Density functional theory 10 Triple points Pre-wetting 8 Alkali metals 6 Coexistence curve 6 Density profile 6 Experimental data 6 Liquid-vapor interface 6 Pair potential 6 Phase interfaces 6 Phase transitions 6 Surface tension 6 Ab initio 4 Attractive surfaces 4 Capillary condensation 4 Critical temperatures 4 Fluid atoms 4 Planar slit 4 Semi-infinite 4 Single Wall 4 Sodium 4 Spontaneous symmetry breaking 4 Technetium 4 Vapor films 4 Vapors 4 Well depth 4 Wetting 4 A densities 2 A-density 2