SKM 2023 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 42: Poster: Active Matter, Soft Matter, Fluids

DY 42.13: Poster

Donnerstag, 30. März 2023, 13:00–16:00, P1

Glass Transition in Modulated Liquids — •Abolfazl Ahmadirahmat1, Michele Caraglio1, Vincent Krakoviack2, and Thomas Franosch11Institut für Theoretische Physik, Universität Innsbruck, Technikerstraße 21A, A-6020 Innsbruck, Austria — 2Laboratoire de chimie, École normale supérieure de Lyon, 46 Allée d’Italie 69364 Lyon, Cedex 07, France

We have developed a theoretical description for the structural and dynamical properties of quasi-two-dimensional colloidal suspensions subject to periodic potentials using mode-coupling theory (MCT). We solve the MCT equations numerically for monodisperse hard disks modulated by a periodic external potential and, we show that the theory reduces to the conventional MCT equations of the glass transition for bulk systems if the external modulation vanishes. To do so, we elaborate numerical results for the long-time limits of suitably generalized intermediate scattering functions. We compare the nonergodicity parameter of a two-dimensional modulated liquid in zero modulation with the corresponding nonergodicity parameter for the bulk system in two dimensions.

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