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Published on: October 24, 2017
Microemulsions, modulated phases and macroscopic phase separation: a unified picture of rafts
Ha Giang1, Roie Shlomovitz1, Michael Schick1
1Department of Physics, University of Washington, Box 351560, Seattle, WA 98195-1560, U.S.A.
Abstract:
We consider two mechanisms that can lead to an inhomogeneous distribution of components in a multicomponent lipid bilayer: macroscopic phase separation and the formation of modulated phases. A simple model that encompasses both mechanisms displays a phase diagram that also includes a structured fluid, a microemulsion. Identifying rafts with the inhomogeneities of this structured fluid, we see how rafts are related to the occurrence of macroscopic phase separation or the formation of modulated phases in other systems, and focus our attention on specific differences between them.
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