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Swelling kinetics of the onion phase | H. Diamant
; M. E. Cates
; | Date: |
1 Sep 2000 | Journal: | Eur. Phys. J. E 4, 223 (2001) | Subject: | Soft Condensed Matter; Chemical Physics | cond-mat.soft physics.chem-ph | Affiliation: | Tel Aviv University, University of Edinburgh, University of Chicago | Abstract: | A theory is presented for the behavior of an array of multi-lamellar vesicles (the onion phase) upon addition of solvent. A unique feature of this system is the possibility to sustain pressure gradients by tension in the lamellae. Tension enables the onions to remain stable beyond the unbinding point of a flat lamellar stack. The model accounts for various concentration profiles and interfaces developing in the onion as it swells. In particular, densely packed `onion cores’ are shown to appear, as observed in experiments. The formation of interfaces and onion cores may represent an unusual example of stabilization of curved interfaces in confined geometry. | Source: | arXiv, cond-mat/0009017 | Services: | Forum | Review | PDF | Favorites |
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