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Reverse diffusion refers to a situation where the transport of particles (atoms or molecules) in a medium occurs towards regions of higher concentration gradients, opposite to that observed during diffusion. This phenomenon occurs during phase separation and is described by the Cahn–Hilliard equation.[1] Reverse diffusion also refers to when water is forced from a region of lower concentration to high. It can occur in osmosis.
See also
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References
edit- ^ Cahn, John W.; Hilliard, John E. (February 1958). "Free Energy of a Nonuniform System. I. Interfacial Free Energy". The Journal of Chemical Physics. 28 (2): 258–267. Bibcode:1958JChPh..28..258C. doi:10.1063/1.1744102. ISSN 0021-9606.
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