Issue |
Europhys. Lett.
Volume 64, Number 6, December 2003
|
|
---|---|---|
Page(s) | 844 - 850 | |
Section | Interdisciplinary physics and related areas of science and technology | |
DOI | https://doi.org/10.1209/epl/i2003-00322-3 | |
Published online | 01 November 2003 |
The unbinding transition of mixed fluid membranes
1
Department of Chemistry, Faculty of Science,
Tokyo Metropolitan University
Tokyo 192-0397, Japan
2
School of Physics and Astronomy,
Raymond and Beverly Sackler Faculty of Exact Sciences,
Tel Aviv University - Ramat Aviv 69978, Tel Aviv, Israel
Corresponding authors: komura@comp.metro-u.ac.jp, andelman@post.tau.ac.il
Received:
5
August
2003
Accepted:
8
October
2003
A phenomenological model for the unbinding transition of multicomponent fluid membranes is proposed, where the unbinding transition is described using a theory analogous to the Flory-Huggins theory for polymers. The coupling between the lateral phase separation of inclusion molecules and the membrane-substrate potential provides a rich phase behavior. Our model describes the first-order nature of the unbinding transition in multicomponent membranes as was observed in a recent experiment. In particular, we predict different scenarios of phase coexistence between bound and unbound membrane states.
PACS: 87.16.Dg – Membranes, bilayers, and vesicles / 68.05.-n – Liquid-liquid interfaces / 64.60.-i – General studies of phase transitions
© EDP Sciences, 2003
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