Dresden 2011 – wissenschaftliches Programm
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CPP: Fachverband Chemische Physik und Polymerphysik
CPP 22: Poster: Glass Transition and Dynamics of Liquids
CPP 22.3: Poster
Dienstag, 15. März 2011, 18:00–20:00, P2
Shear relaxation of simulated glass-forming polymer melts — •Stephan Frey1, Hendrik Meyer1, Joerg Baschnagel1, and Matthias Fuchs2 — 1Institut Charles Sadron, F-67034 Strasbourg, France — 2University of Konstanz, D-78457 Konstanz, Germany
Approaching the glass transition polymer melts show a remarkable increase of their viscosity by many orders of magnitude. The aim of this study is to gain a deeper insight into the processes which are involved in this phenomenon. We simulate polymer melts using a generic bead-spring model in which polymers are modeled as flexible chains. During long simulation runs the polymer melt is cooled down towards the glass transition temperature. The present work builds upon previous work which was focussed on the scattering function and related quantities. Here we concentrate on current correlation functions and connected quantities which are analyzed as a function of temperature, chain length and system size.