2001
DOI: 10.1142/s0218202501001458
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Thin Layers in Micromagnetism

Abstract: -In this paper we study the solutions of micromagnetism equation in thin domain and we prove that the magnetic field induced by the magnetisation behaves like the projection of the magnetic moment on the normal to the domain.

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Cited by 88 publications
(111 citation statements)
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“…In addition, the model in [4] is not complete since the demagnetizing field is unduly simplified in 3d. Here, the model is more convincing since the 2d-model for the demagnetizing field can be justified by asymptotic arguments (see [5] and [14]). …”
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confidence: 90%
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“…In addition, the model in [4] is not complete since the demagnetizing field is unduly simplified in 3d. Here, the model is more convincing since the 2d-model for the demagnetizing field can be justified by asymptotic arguments (see [5] and [14]). …”
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confidence: 90%
“…We assume that a magnetic field H app is applied in the direction of the tube axis: H app = H a e 1 , H a ∈ IR. We use the twodimensional model of ferromagnetic thin film obtained in [5] and [14], in which the demagnetizing field reduces to an anisotropic local term forcing M to be tangent to the thin domain. In the case of our nanotube the demagnetizing field is described by the term −(M · n)n, derived from the limit demagnetizing energy µ 0 4 I R×S 1 |M ·n| 2 dσ, where n is the unit normal vector to the cylinder surface.…”
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“…Cette approche thermodynamique s'appuie sur une descriptionénergétique de ces matériaux. Dans la version statique de cette théorie, qui nous intéresse pour cette note, lesétats d'équilibre sont les minimiseurs de l'énergie totale (3) dont les contributions sont données par (4), (5) et (6). On s'intéresse alors au problème de minimisation suivant :…”
Section: Version Française Abrégéeunclassified
“…Dans le cas d'un paramètre d'échange fixé mais pour uneépaisseur η tendant vers zéro, la convergence des minimiseurs aétéétudiée par G. Carbou [6] et G. Gioia et R.D. James [14].…”
Section: Version Française Abrégéeunclassified