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cond-mat1998
Magnetic Properties of Dilute Alloys: Equations for Magnetization and its Structural Fluctuations
I. Vakarchuk, V. Tkachuk, T. Kuliy
The dilute Heisenberg ferromagnet is studied taking into account fluctuations of magnetization caused by disorder. A self-consistent system of equations for magnetization and its m…
cond-mat1995
The influence of structure disorder on mean atomic momentum fluctuations and a spin-wave spectrum
I. Vakarchuk, V. Tkachuk, T. Kuliy
The relation between atomic momenta fluctuations and density fluctuations is obtained in frames of mean-field approximation. Using two-time temperature Green functions within Tyabl…