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MICROMAGNETIC EQUATIONS FOR NANOMAGNETS (KROMSH-2005)статья
- Авторы: Ternovskii V.V., KHAPAEV M.M.
- Журнал: Spectral and Evolution problems: Proceedings of the Sixteenth Crimean Autumn
- Том: 16
- Год издания: 2006
- Первая страница: 154
- Последняя страница: 158
- Аннотация: This paper presents generalized micromagnetic equations which take into account the effect of magnetization vector variation. The minimization of free energy obeys integral constraint with supplementary gradient of magnetization vector. 3D simulation results of remanent state based on the proposed equations is provided for a cubic particle and compared with the results obtained from conventional micromagnetic theory. In a similar way the proposed corrections that maintain integral constraint are introduced into the dynamic equation describing spin precession. Comparison of the modified dynamic equation with the solution of conventional Landau–Lifshitz dynamic equation shows that the introduction of an additional gradient term is sufficient to reduce high frequency stiff response.
- Добавил в систему: Терновский Владимир Владимирович