TITLE

Comment on �Generalized Stoner-Wohlfarth Model and the Non-Langevin Magnetism of Single-Domain Particles� by M.A. Chuev

AUTHOR(S)
de Biasi, E.; Zysler, R. D.; Ramos, C. A.; Knobel, M.
PUB. DATE
August 2008
SOURCE
JETP Letters;Aug2008, Vol. 87 Issue 12, p703
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
The model recently proposed by M.A. Chuev [JETP Lett. 85, 611 (2007)] has been analyzed. It has been shown that the anisotropy corrections near the blocking temperature always lead to a magnetization lower than the equilibrium value, contrary to the findings in Chuev�s work. In addition, the asymptotic high-temperature limit of Chuev�s model is inconsistent with the expected thermodynamic limit. Moreover, even at a low temperature, only a careful implementation of this theory can guarantee arriving at the correct result, avoiding some wrong conclusions in Chuev�s work.
ACCESSION #
34051548

 

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