Statistics of fluctuating colloidal fluid-fluid interfaces
Publication date
2008
Authors
de Villeneuve, V.W.A.
van Leeuwen, J.M.J.
van Saarloos, W.
Lekkerkerker, H.N.W.
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Abstract
Fluctuations of the interface between coexisting colloidal fluid phases have been measured with confocal microscopy. Due to a very low surface tension, the thermal motions of the interface are so slow that a record can be made of the positions of the interface. The theory of the interfacial height fluctuations is developed. For a host of correlation functions, the experimental data are compared with the theoretical expressions. The agreement between theory and experiment is remarkably good.
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de Villeneuve, V W A, van Leeuwen, J M J, van Saarloos, W & Lekkerkerker, H N W 2008, 'Statistics of fluctuating colloidal fluid-fluid interfaces', Journal of Chemical Physics, vol. 129, no. 16, pp. 164710/1-164710/11.