This article is cited in 1 paper

Magnetism

To the theory of the longitudinal magnetic susceptibility of quasi-three-dimensional ferromagnetic dielectrics

S. O. Gladkov, S. B. Bogdanova

Moscow Aviation Institute (State Technical University)

Abstract: The longitudinal magnetic susceptibility of quasi-three-dimensional easy-axis ferromagnets has been found. In this case, the ferromagnetic structure is considered as a fractal object with the dimension $D$ = 3–$\varepsilon$, where $\varepsilon>$ 0. The approach is based on using a quasi-classical kinetic equation. The magnon dispersion strictly calculated using operations of the fractal differentiation is a strongly anisotropic (dependent on the parameter $\varepsilon$) function of angular variables, which leads to nontrivial frequency dependences of the magnetic susceptibility.

Received: 09.06.2011

 English version: Physics of the Solid State, 2012, 54:1, 74–78

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