Diffusion at interfaces

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Diffusion at the liquid-vapor interface is both interesting and controversial. The very definition of particles "at" the interface is difficult. The diffusion coefficient will in this case be a diagonal tensor; two of its elements are equal and correspond to parallel diffusion (along the interface), the third one corresponds to normal, or perpendicular diffusion (across the interface). Since the particles are continuously leaving and entering the interfacial region, it is also important to study this dynamical process by, e.g., the residence time.

See, specially Liu et al. []


pure system Ref
TIP4P/FQ Water [ ], [ ]
ST-2 Water [ ]
SPC/E Water [ ]
Dimethyl sulfoxide [ ]
Ethanol [ ]
liquid metals []


mixture Ref
two inmiscible LJs [], []
water/1,2-dichloroethane []
water/nitrobenzene []
surfactants on water []
ions at surfaces []

Confined fluids:

system Ref
water on surfaces []
LJ on solid []

Related systems include:

system Ref
water diffusion across chanels []


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