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Regensburg 2007 – scientific programme

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DY: Fachverband Dynamik und Statistische Physik

DY 30: Poster II

DY 30.21: Poster

Thursday, March 29, 2007, 16:00–18:00, Poster D

Self-driven particle and dynamic disorder — •Holger Grzeschik and Ludger Santen — Saarland University, Theoretical Physics, D-66041 Saarbrücken, Germany

We theoretically investigate self-driven particles, moving on an one dimensional lattice or track. The track is embedded in a cylinder, where the particles move diffusively. The self-driven particles can attach to and detach from the track such that the path length of the particles on the track is finite. At a given point in time the attach rates of the self-driven particles can be reduced due to the presence of a second type of particle, which is unable to perform a directed motion on the filament. This model is motivated by axonal transport, if one relates the self-driven particles to motor-proteins and the immobile particles to tau-proteins. For axons it is known that an excess of tau-proteins may cause a dysfunction of the neuron.

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