Berlin 2018 – wissenschaftliches Programm
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DY: Fachverband Dynamik und Statistische Physik
DY 66: Poster: Stat. Phys. (Gen., Critical Phen., Biol.)
DY 66.11: Poster
Donnerstag, 15. März 2018, 15:30–18:00, Poster A
Effects of a flexible pinning on the statics and dynamics of a thermalized thin sheet — •Josip Augustin Janeš1,2, Daniel Schmidt2, Udo Seifert3, and Ana-Sunčana Smith1,2 — 1Institute Ruđer Bošković, Zagreb, Croatia — 2PULS Group, Department of Physics and Cluster of Excellence: EAM, FAU Erlangen-Nürnberg, Erlangen, Germany — 3II. Institut für Theoretische Physik, Universität Stuttgart, Stuttgart, Germany
Mechanical characteristics of freely suspended 2D membranes are commonly determined from their fluctuation spectrum. However, this task is significantly more challenging for the case of membranes attached by proteins to underlying scaffolds. Actually, a complete theoretical description of the effect of a pinning on the dynamic correlations in a membrane is still missing. Here we rectify this situation by modelling the spatial and dynamic correlations by several complimentary analytical methods. We construct a complete theoretical framework for the problem in question and validate our approach by obtaining excellent agreement with the explicit Langevin simulations.