108th iCeMS Seminar: Assoc. Prof. Shigeyuki Komura

I shall discuss the dynamics of heterogeneity observed in multi- component fluid membranes particularly focusing on hydrodynamic effects due to the membrane and solvent. Two situations are discussed separately; above and below the miscibility transition temperature. In the former case, we calculate the wavenumber dependence of the effective diffusion coefficient by changing the temperature and/or the thickness of the bulk fluid. For the case below the transition temperature, we study the domain growth exponent in a binary membrane using a particle-based simulation method. With the addition of bulk solvent, a change in the growth exponent from two- to three-dimensional nature is observed. Along with the measurement of correlated diffusion, we conclude that the phase separation takes place through the Brownian coagulation process in our simulation.

Lecturer
Title
Assoc. Prof. Shigeyuki Komura
Department of Chemistry, Faculty of Science
Tokyo Metropolitan University
Title: Dynamics of Heterogeneity in Fluid Membranes
Date / Time April 26, 2012 / 13:30-15:00
Venue 2nd floor Seminar Room (#A207), Main Building
iCeMS Complex 1, Kyoto University
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Host Institute for Integrated Cell-Material Sciences (iCeMS), Kyoto University
Contact iCeMS Kalay Group
kalay-g@icems.kyoto-u.ac.jp