Dynamic equivalence between soft- and hard-core Brownian fluids
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abstract
The dynamic equivalence between the members of the family of Brownian fluids was demonstrated. It was found that except for small values of ν, and/or very short times, the dynamic properties of all these systems collapse into a single universal curve, upon a well defined rescaling of teh time and distance variables. The proposed observation permitted a new and accurate Brownain dynamics algorithm to simulate the dynamic properties of the hard-sphere model dispersion without hydrodynamic interactions.