The dissipative function in magnetic systems

M. Salazar and G.A. Pérez Alcazar

Physica A: Statistical Mechanics and its Applications, 2019, vol. 517, issue C, 337-340

Abstract: This study presents a calculation that relates the temporal change in the total energy of a magnetic system (as permalloy thin sheets that have a considerable damping in the change of the magnetization described in Salazar & Pérez Alcazar, 2015) with the dissipative function proposed for this system in Salazar & Pérez Alcazar (2015). In the present study, we obtain a negative sign for dE/dt and its relationship with the tensor dissipative function that correctly explains the rate of dissipation of energy in the system. Further, a relationship between the coefficients of the expansion of αik (kinetic coefficient) and the square of the applied magnetic field is obtained.

Keywords: Dissipative function; Landau–Lifshitz–Gilbert equation; Permalloy thin sheets (search for similar items in EconPapers)
Date: 2019
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Persistent link: https://EconPapers.repec.org/RePEc:eee:phsmap:v:517:y:2019:i:c:p:337-340

DOI: 10.1016/j.physa.2018.11.005

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