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DPG

Dresden 2009 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 5: Soft matter

DY 5.3: Talk

Monday, March 23, 2009, 15:15–15:30, ZEU 255

Phase behaviour and demixing of a two dimensional oligomer-solvent system — •Daniel Reith, Peter Virnau, Katarzyna Bucior, Leonid Yelash, and Kurt Binder — Institut für Physik, Johannes Gutenberg-Universität, 55099 Mainz

We present the complete phase diagram of a two dimensional off-lattice oligomer-solvent mixture which describes the behaviour of hexadecane in supercritical CO2 in a slit pore geometry. A detailed finite-size analysis of our grandcanonical Monte Carlo data shows that the system belongs to the two dimensional Ising universality class. Based on this analysis we study demixing by spinodal decomposition with Molecular Dynamics simulations.

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