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DY: Fachverband Dynamik und Statistische Physik

DY 29: Poster II

DY 29.42: Poster

Donnerstag, 28. Februar 2008, 16:00–18:00, Poster C

Colloids in External Fields and in Micro-Channels    Kerstin Franzrahe, Peter Henseler, and •Peter Nielaba — Physics Department, University of Konstanz, 78457 Konstanz

By Monte Carlo simulations we investigate the effect of an external periodic field on the structural properties and the phase diagram of a two-dimensional binary model colloid [1]. Interesting melting scenarios for the subsystems are analyzed. The layering formation in colloidal systems in micro-channels in external gravitational fields is explored by Brownian Dynamics simulations [2]. Interesting layer-reduction effects are found in the flow direction.


References:

[1] K. Franzrahe, P. Nielaba, Phys. Rev. E, in press.

[2] M. Köppl, P. Henseler, A. Erbe, P. Nielaba, P. Leiderer, Phys. Rev. Lett. 97, 208302 (2006).

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DPG-Physik > DPG-Verhandlungen > 2008 > Berlin