Defect-Mediated Emulsification in Two Dimensions

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Defect-Mediated Emulsification in Two Dimensions

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Title: Defect-Mediated Emulsification in Two Dimensions
Author: Korolev, Kirill Sergeevich; Nelson, David R.

Note: Order does not necessarily reflect citation order of authors.

Citation: Korolev, Kirill Sergeevich and David R. Nelson. 2008. Defect-mediated emulsification in two dimensions. Physical Review E 77(5): 051702.
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Abstract: We consider two-dimensional dispersions of droplets of isotropic phase in a liquid with an XY-like order parameter, tilt, nematic, and hexatic symmetries being included. Strong anchoring boundary conditions are assumed. Textures for a single droplet and a pair of droplets are calculated and a universal droplet-droplet pair potential is obtained. The interaction of dispersed droplets via the ordered phase is attractive at large distances and repulsive at short distances, which results in a well defined preferred separation for two droplets and topological stabilization of the emulsion. This interaction also drives self-assembly into chains. Preferred separations and energy barriers to coalescence are calculated, and the effects of thermal fluctuations and film thickness are discussed.
Published Version: doi:10.1103/PhysRevE.77.051702
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