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Berlin 2008 – scientific programme

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 20: POSTERS Driven Soft Matter

CPP 20.35: Poster

Wednesday, February 27, 2008, 16:00–18:30, Poster A

The concept of temperature in driven granular suspensions — •Matthias Schröter, Alexander Buck, Leen Alawieh, and Harry L. Swinney — CNLD, UT Austin, Texas

Dense granular suspensions driven by a flow field show signatures of glass formation like dynamical heterogeneities, rate-dependence, or increase of timescales. The possibility to describe such non-equilibrium phenomena with an effective temperature is still debated. Our measurements using a torsion pendulum and tracking of tracer particles test the applicability of fluctuation-dissipation theorem based temperature concepts.

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