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A simple model of tracer-diffusion of nonspherical Brownian particles
estado: published
date time value: article date 760
related by: authorship 3709
crisid: 760
issue: 3
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abstract: We present a Brownian dynamic simulation of the translational and rotational motion of an interacting nonspherical Brownian particle. This simulation experiment involves an idealized model system of a suspension of spherical colloidal particles with which the nonspherical particle interacts. The latter is represented as a rigid linear array of (two or three) spherical particles. The direct pair interactions between all the spheres in the system (including those of the tracer particle) are modeled by a repulsive Yukawa potential. For simplicity, the two-dimensional version of this simulation experiment is considered, and hydrodynamic interactions are ignored. From the simulation experiment, we determine the translational and rotational mean-square-displacement of the nonspherical tracer particle. Here we focus only on the early deviations, due to the direct interactions, from the short-time, free-diffusion regime. In the analysis of these results, use is made of the recently developed Generalized Langevin equation theory of tracer diffusion of nonspherical Brownian particles. © 1999 American Institute of Physics.
type: Entity
type: Thing
doi: 10.1063/1.479296
type: Continuant
freetext keyword: Approximation theory; Colloids; Computer simulation; Equations of motion; Mathematical models; Particles (particulate matter); Nonspherical Brownian particles; Tracer-diffusion; Brownian movement
type: Generically Dependent Continuant
origen: scopus
type: Information Content Entity
most specific type: Article
has publication venue: Journal of Chemical Physics
e iscopus: 2-s2.0-0343116500
type: Article
volume: 111
page end: 1059
type: Document
related by: authorship 3710
page start: 1049

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Journal of Chemical Physics
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publication venue for: A simple model of tracer-diffusion of nonspherical Brownian particles
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type: Generically Dependent Continuant
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RDF description of A simple model of tracer-diffusion of nonspherical Brownian particles - http://orbis.uaslp.mx/vivo/individual/scopus759
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date: 2026-08-26T10:44:17
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