Mean field theories and ferromagnetic ordering in ferrofluids / Ivanov AO // JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS. - 2002. - V. 252, l. 1-3. - P. 126-128.

ISSN/EISSN:

0304-8853 / нет данных

Type:

Article; Proceedings Paper

Abstract:

This paper addresses basic questions concerning spontaneous ``ferromagnetic{''} order in ferrofluids. We obtain the exact equation connecting the one-particle distribution function with the pair correlation function. We study four expressions for the pair correlation function in terms of the one-particle distribution function, and only one of them results in the spontaneous orientational order. This self-consistent uncoupling is used in the density functional approach and proves to be equivalent to the mean field model. In this case an influence of dipole-dipole interaction is overestimated and so the theoretical prediction of ferromagnetic order in ferrofluids has to be considered as questionable. (C) 2002 Elsevier Science B.V. All rights reserved.

Author keywords:

ferrofluids; orientational ordering; statistical model CONCENTRATED FERROCOLLOIDS; INTERPARTICLE CORRELATIONS; ORIENTATIONAL ORDER; MAGNETIC-PROPERTIES; DIPOLAR FLUIDS; LIQUIDS; PHASE

DOI:

10.1016/S0304-8853(02)00638-8

Web of Science ID:

ISI:000179686200041

Соавторы в МНС:

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Другие поля

Поле	Значение
Month	NOV
Note	9th International Conference on Magnetic Fluids, BREMEN, GERMANY, JUL 23-27, 2001
Publisher	ELSEVIER SCIENCE BV
Address	PO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Language	English
Article-Number	PII S0304-8853(02)00638-8
Keywords-Plus	CONCENTRATED FERROCOLLOIDS; INTERPARTICLE CORRELATIONS; ORIENTATIONAL ORDER; MAGNETIC-PROPERTIES; DIPOLAR FLUIDS; LIQUIDS; PHASE
Research-Areas	Materials Science; Physics
Web-of-Science-Categories	Materials Science, Multidisciplinary; Physics, Condensed Matter
ResearcherID-Numbers	Ivanov, Alexey/E-4442-2011
ORCID-Numbers	Ivanov, Alexey/0000-0001-8239-4039
Number-of-Cited-References	21
Journal-ISO	J. Magn. Magn. Mater.
Doc-Delivery-Number	623CT