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Critical Aspects in Micromagnetic Computation of Hysteresis Loops of Nanometer Particles

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2 Author(s)
Bottauscio, O. ; Ist. Naz. di Ricerca Metrologica, INRIM, Torino, Italy ; Manzin, A.

This paper discusses the criticalities occurring in the computation of hysteresis loops by the numerical space-time integration of the Landau-Lifshitz-Gilbert equation. The magnetization time-update is obtained by means of two norm-conserving algorithms, respectively based on midpoint rule and Cayley transform. The study gives hints for the definition of a correct criterion of convergence towards equilibrium states and for the improvement of the numerical efficiency, focusing on the reduction of the simulation duration.

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Magnetics, IEEE Transactions on  (Volume:45 ,  Issue: 11 )