Dynamics of lane formation in driven binary complex plasmas
arXiv:0812.3091 · doi:10.1103/PhysRevLett.102.085003
Abstract
The dynamical onset of lane formation is studied in experiments with binary complex plasmas under microgravity conditions. Small microparticles are driven and penetrate into a cloud of big particles, revealing a strong tendency towards lane formation. The observed time-resolved lane formation process is in good agreement with computer simulations of a binary Yukawa model with Langevin dynamics. The laning is quantified in terms of the anisotropic scaling index, leading to a universal order parameter for driven systems.
4 pages, 3 figures, movies available at http://www.mpe.mpg.de/pke/lane-formation/
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