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  • Title: Dynamic scaling and freezing criteria in quasi-two-dimensional dispersions.
    Author: Pesché R, Kollmann M, Nägele G.
    Journal: Phys Rev E Stat Nonlin Soft Matter Phys; 2001 Nov; 64(5 Pt 1):052401. PubMed ID: 11735989.
    Abstract:
    We report on a Brownian dynamics simulation study of quasi-two-dimensional dispersions of colloidal spheres interacting by long-range electrostatic and dipolar magnetic forces. The calculated dynamic correlation functions are shown to obey dynamic scaling in terms of a characteristic relaxation time related to the mean particle distance and, due to hydrodynamic interactions, to the particle size. The dynamical freezing criterion of Löwen [Phys. Rev. E 53, R29 (1996)] is shown to be equivalent to a two-dimensional static freezing criterion.
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