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Issue 3, 2008

Genetic algorithms predict formation of exotic ordered configurations for two-component dipolar monolayers

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Abstract

We employ genetic algorithms (GA), which allow for an unbiased search for the global minimum of energy landscapes, to identify the ordered equilibrium configurations formed by binary dipolar systems confined on a plane. A large variety of arrangements is identified, the complexity of which grows with increasing asymmetry between the two components and with growing concentration of the small particles. The effects of the density are briefly discussed and a comparison with results obtained via conventional lattice-sum minimization is presented. Our results can be confirmed by experiments involving Langmuir monolayers of polystyrene dipolar spheres or superparamagnetic colloids confined on the air–water interface and polarized by an external, perpendicular magnetic field.

Graphical abstract: Genetic algorithms predict formation of exotic ordered configurations for two-component dipolar monolayers

Article information


Submitted
07 Nov 2007
Accepted
21 Dec 2007
First published
18 Jan 2008

Soft Matter, 2008,4, 480-484
Article type
Communication

Genetic algorithms predict formation of exotic ordered configurations for two-component dipolar monolayers

J. Fornleitner, F. Lo Verso, G. Kahl and C. N. Likos, Soft Matter, 2008, 4, 480 DOI: 10.1039/B717205B

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