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Transport phenomena and dynamics of externally and self-propelled colloids in confined geometry

Kreuter, C.; Siems, U.; Nielaba, P.; Leiderer, P.; Erbe, A.

Abstract

Over the last decades, colloidal suspensions have been proven as powerful model systems to reveal fundamental questions in soft matter or general physics. In this work, we will focus on the influ- ence of interaction and confinement to the mobility of colloidal particles as well as to the transport behavior of particles over obstacles placed in a micro-channel. Both experiments are supported with Brownian dynamics simulations to complete the experimental work. The paper concludes with the investigation of the behavior of single active swim- mers close to a wall.

Keywords: colloidal model systems; active swimmers; transport phenomena

Permalink: https://www.hzdr.de/publications/Publ-19583