Mobility coefficients in the systems of magnetic dipolar particles

Autor(en)

A. Muratova, S. Kantorovich

Abstrakt

In this paper, we present our first results on the mobility coefficients in the systems of magnetic dipolar particles. In our study, we investigate the influence of chain formation and polydispersity of particles on self-diffusion. The work is purely theoretical and combines direct calculations with the density functional approach to calculate equilibrium densities of chains. We study mainly bulk systems. It is shown that the formation of chains leads to the average decrease of mobility in monodisperse systems, but in the case of bidisperse particle size distribution, the particle mobility becomes a function of the fractional composition. The mobility coefficients obtained here are important for calculating the diffusion coefficients in case of gradient-induced diffusion (be that of the field or density gradient) in magnetic fluids with chain aggregates.

Organisation(en)

Computergestützte Physik und Physik der Weichen Materie

Externe Organisation(en)

Ural Federal University

Journal

Magnetohydrodynamics

Band

49

Seiten

153-159

Anzahl der Seiten

7

ISSN

0024-998X

DOI

https://doi.org/10.22364/mhd.49.1-2.19

Publikationsdatum

2013

Peer-reviewed

Ja

ÖFOS 2012

103015 Kondensierte Materie, 103017 Magnetismus

Schlagwörter

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/564b9c5f-c2a4-4c02-a2fb-8e0d580a23f1