2006
DOI: 10.1016/j.crma.2006.11.031
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Convergence of a ferromagnetic film model

Abstract: Abstract:In this note, we present a Γ-convergence type result for ferromagnetic films. We propose a model of films for which we could ensure the strong convergence of minimizers when the exchange parameter vanishes. In this model, the plate thickness is kept constant and the magnetization stays constant in the thickness of the film. RésuméConvergence pour un modèle de film mince en ferromagnétisme. Dans cette note, nous présentons un résultat de Γ-convergence pour les films de matériaux ferromagnétiques. Nous … Show more

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Cited by 12 publications
(7 citation statements)
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References 17 publications
(38 reference statements)
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“…In [28] the magnetization is moreover constrained to be in the horizontal plane, which avoids the vortices. F. Alouges and S. Labbé [2] proposed a model of films with strong convergence of minimizers when the exchange parameter vanishes and with vertically invariant configurations on the cylindrical domain. For reproducing the non uniform states observed experimentally in thin films, very different regimes were considered by A. Desimone, R.V.…”
Section: Figurementioning
confidence: 99%
“…In [28] the magnetization is moreover constrained to be in the horizontal plane, which avoids the vortices. F. Alouges and S. Labbé [2] proposed a model of films with strong convergence of minimizers when the exchange parameter vanishes and with vertically invariant configurations on the cylindrical domain. For reproducing the non uniform states observed experimentally in thin films, very different regimes were considered by A. Desimone, R.V.…”
Section: Figurementioning
confidence: 99%
“…Guès and Sueur study in [22] non planar walls dynamics but only in a short time interval. In the 2-dimensional case, a wide literature in mathematics gives a few elements to describe the formation of static walls in ferromagnetic thin layers (see [1], [2], [19], [20], [34] and the references therein). The understanding of walls dynamics in one dimensional devices like ferromagnetic nanowires is very important for the applications, in particular for the storage of digital information (see [37]).…”
Section: Contextmentioning
confidence: 99%
“…In [17] and [18], the authors studied a micromagnetic thin film with degenerate exchange energy. Other models of micromagnetic thin films were proposed in [1,2] and [24]. For related problems, some interesting regularity theorems were obtained in [19].…”
Section: Introductionmentioning
confidence: 97%