Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2002-05-08
Europhys. Lett. 64, 844 (2003)
Physics
Condensed Matter
Soft Condensed Matter
7 pages, 3 eps figures
Scientific paper
10.1209/epl/i2003-00322-3
A phenomenological model for the unbinding transition of multi-component fluid membranes is proposed, where the unbinding transition is described using a theory analogous to Flory-Huggins theory for polymers. The coupling between the lateral phase separation of inclusion molecules and the membrane-substrate distance explains the phase coexistence between two unbound phases as observed in recent experiments by Marx et al. [Phys. Rev. Lett. 88, 138102 (2002)]. Bellow a critical end-point temperature, we find that the unbinding transition becomes first-order for multi-component membranes.
Andelman David
Komura Shigeyugi
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