Volume 82, Number 1, April 2008
|Number of page(s)||6|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||05 March 2008|
Lane formation vs. cluster formation in two-dimensional square-shoulder systems —A genetic algorithm approach
Center for Computational Materials Science and Institut für Theoretische Physik, Technische Universität Wien Wiedner Hauptstraße 8-10, A-1040 Wien, Austria, EU
Corresponding author: firstname.lastname@example.org
Accepted: 5 February 2008
Introducing genetic algorithms as a reliable and effective tool to find ordered equilibrium structures, we predict minimum energy configurations of the square shoulder system for different values of corona width . By varying systematically the pressure and choosing different values of we are able to identify complete sequences of minimum energy configurations. The results provide a deeper understanding of the system's strategies to arrange particles in an energetically optimised fashion, leading to the competing self-assembly scenarios of cluster formation vs. lane formation.
PACS: 82.70.Dd – Colloids / 64.70.Nd – Structural transitions in nanoscale materials / 82.70.-y – Disperse systems; complex fluids
© EPLA, 2008
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