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Unformatted text preview: in that the order parameter jumps to a non-zero value discontinuously at the phase transition, rather than rising continously from zero on cooling through the transition, as in a second-order phase transition. (b). Add a square-gradient term to the free energy density of this model and build a theory for the interfacial properties of an interface between a lamellar phase and a liquid phase at coexistence (i.e. at the rst-order transition point where the two bulk phases have equal free energy). Find expressions for the interfacial prole (and sketch), the interfacial width, and the interfacial tension. 2. Prepare solutions to the following problems in McQuarries text: 15-11, 15-22, 15-35. G. H. Fredrickson and K. Binder, J. Chem. Phys. 91 , 7265 (1989)....
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This document was uploaded on 05/18/2010.
- Spring '09