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Type: Artigo de periódico
Title: Comment On "generalized Stoner-wohlfarth Model And The Non-langevin Magnetism Of Single-domain Particles" By M.a. Chuev
Author: De Biasi E.
Zysler R.D.
Ramos C.A.
Knobel M.
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. © 2008 Pleiades Publishing, Ltd.
Rights: fechado
Identifier DOI: 10.1134/S0021364008120114
Date Issue: 2008
Appears in Collections:Unicamp - Artigos e Outros Documentos

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