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Berlin 2015 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 38: Computational Physics of Soft Matter I

CPP 38.5: Talk

Wednesday, March 18, 2015, 10:45–11:00, C 264

Aggregation of flexible polymers under spherical constraintsJohannes Zierenberg, •Marco Mueller, Philipp Schierz, Martin Marenz, and Wolfhard Janke — Institut für Theoretische Physik, Universität Leipzig, Germany

Applying parallel multicanonical simulations, we study the aggregation transition of finite flexible polymers in dependence on the density, where we keep the polymer length fixed as a chemical property. A spherical confinement is imposed to control the translational entropy. We show that the competition between single-polymer collapse and many-polymer aggregation yields a lower temperature bound for the isolated chain approximation. For dilute polymers, we present entropic and energetic arguments that allow to relate the inverse aggregation to the density of the monodisperse systems.

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