Geodesic
Manifestation of slow dynamics in multilayer nanostructures with different thicknesses of magnetic films
Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 16 (2023) no. 6, pp. 751-757

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The results of a numerical Monte Carlo study of the behavior of a trilayer nanostructure with magnetization oriented in the film plane with ferromagnetic film thicknesses $N = 3$ and $21$ MLs are presented. The non-equilibrium behavior of the structure has been investigated at the critical temperatures $T_c(N)$ and temperatures $T_c(N)/2$, $T_c(N)/4$, and the time dependence of the autocorrelation function during the evolution from different initial states and the dynamic susceptibility from the high-temperature initial state have been analyzed. Aging effects are revealed in the behavior of the two-temporal characteristics. The asymptotic values of the fluctuation-dissipative ratio for the structures with $N = 3$ and $21$ MLs are calculated which indicate the violation of the fluctuation-dissipative theorem in the non-equilibrium behavior of these structures.
Keywords: non-equilibrium behavior, anisotropic Heisenberg model, aging, fluctuation-dissipation ratio.
Mots-clés : Monte Carlo simulation, nanostructures 
@article{JSFU_2023_16_6_a4,
     author = {Vladimir V. Prudnikov and Marina V. Mamonova and Dmitry A. Druziev and Valeria V. Khitrintseva},
     title = {Manifestation of slow dynamics in multilayer nanostructures with different thicknesses of magnetic films},
     journal = {\v{Z}urnal Sibirskogo federalʹnogo universiteta. Matematika i fizika},
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     publisher = {mathdoc},
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     number = {6},
     year = {2023},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/JSFU_2023_16_6_a4/}
}
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Vladimir V. Prudnikov; Marina V. Mamonova; Dmitry A. Druziev; Valeria V. Khitrintseva. Manifestation of slow dynamics in multilayer nanostructures with different thicknesses of magnetic films. Žurnal Sibirskogo federalʹnogo universiteta. Matematika i fizika, Tome 16 (2023) no. 6, pp. 751-757. http://geodesic.mathdoc.fr/item/JSFU_2023_16_6_a4/