Swarming in shallow waters

S. Soh, M. Branicki, B.A. Grzybowski

Research output: Contribution to journalArticlepeer-review

Abstract

A swarm is a collection of separate objects that move autonomously in the same direction in a concerted fashion. This type of behavior is observed in ensembles of various organisms but has proven inherently difficult to realize in artificial chemical systems, where the components have to self-assemble dynamically and, at the same time, propel themselves. This paper describes a class of systems in which millimeter-sized components interact hydrodynamically and organize into dissipative structures that swarm in thin fluid layers. Depending on the geometry of the particles, various types of swarms can be engineered, including ensembles that rotate, follow a in front of a larger particle.
Original languageEnglish
Pages (from-to)770-774
Number of pages5
JournalThe Journal of Physical Chemistry Letters
Volume2
Issue number7
DOIs
Publication statusPublished - 7 Apr 2011

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