Dresden 2009 – wissenschaftliches Programm

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DY: Fachverband Dynamik und Statistische Physik

DY 10: Brownian motion and transport I

DY 10.5: Vortrag

Dienstag, 24. März 2009, 15:15–15:30, HÜL 386

Rods in the smectic phase: 1-D Brownian diffusion in a periodic potential — •Pavlik Lettinga1 and Eric Grelet21Forschungszentrum Jülich, Jülich, Germany — 2CRPP-CNRS, Pessac, France

We report the direct visualization at the scale of single particles of mass transport between smectic layers, also called permeation, in a suspension of rodlike viruses. We show that this diffusion effectively can be described by 1-D diffusion of a Brownian particle in a periodic potential. We compare this diffusion with diffusion of rods in the isotropic and nematic phase.

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