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Project B9

Computer Simulations of Charged Colloids in Alternating Electric Fields

Project leaders

  1. Prof. Dr. Friederike Schmid


We propose to study the response of spherical and rodlike charged colloids to alter- nating electric (AC) fields by mesoscopic simulation methods, accounting in full for hydrodynamic and electrostatic interactions. Specifically, we plan to investigate the dielectric response of single colloids, the AC-driven effective (nonequilibrium) interac- tions between colloids, and the experimentally observed AC-driven pattern formation in thin films. Several relevant parameters such as the field amplitude and frequency and the ionic strength of the electrolyte shall be varied systematically.