Behavior of bulky ferrofluids in the diluted low-coupling regime: Theory and simulation / Cerdà J.J., Elfimova E., Ballenegger V., Krutikova E., Ivanov A., Holm C. // Physical Review E - Statistical, Nonlinear, and Soft Matter Physics. - 2010. - V. 81, l. 1.

ISSN:

15393755

Type:

Article

Abstract:

A theoretical formalism to predict the structure factors observed in dipolar soft-sphere fluids based on a virial expansion of the radial distribution function is presented. The theory is able to account for cases with and without externally applied magnetic fields. A thorough comparison of the theoretical results to molecular-dynamics simulations shows a good agreement between theory and numerical simulations when the fraction of particles involved in clustering is low; i.e., the dipolar coupling parameter is λ 2, and the volume fraction is φ 0.25. When magnetic fields are applied to the system, special attention is paid to the study of the anisotropy of the structure factor. The theory reasonably accounts for the structure factors when the Langevin parameter is smaller than 5. © 2010 The American Physical Society.

Author keywords:

Index keywords:

Applied magnetic fields; Dipolar couplings; Ferro fluid; Langevin; Molecular dynamics simulations; Numerical simulation; Radial distribution functions; Structure factors; Theoretical result; Virial ex

DOI:

10.1103/PhysRevE.81.011501

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https://www.scopus.com/inward/record.uri?eid=2-s2.0-75349092152&doi=10.1103%2fPhysRevE.81.011501&partnerID=40&md5=78c3563578e1b9de212866f6dd672da8

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Art. No.	011501
Link	https://www.scopus.com/inward/record.uri?eid=2-s2.0-75349092152&doi=10.1103%2fPhysRevE.81.011501&partnerID=40&md5=78c3563578e1b9de212866f6dd672da8
Affiliations	Institute for Computational Physics, Universität Stuttgart, 70569 Stuttgart, Germany; Department of Mathematical Physics, Urals State University, 51 Lenin Avenue, Ekaterinburg 620083, Russian Federation; Institut UTINAM, Université de Franche-Comté, Route de Gray 16, 25030 Besancon, France; Max-Planck-Institut für Polymerforschung, Ackermannweg 10, D-55128 Mainz, Germany
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Correspondence Address	Cerdà, J. J.; Institute for Computational Physics, Universität Stuttgart, 70569 Stuttgart, Germany
CODEN	PLEEE
Language of Original Document	English
Abbreviated Source Title	Phys. Rev. E Stat. Nonlinear Soft Matter Phys.
Source	Scopus