Junction of ferromagnetic thin films

Rejeb Hadiji (1) , Antonio Gaudiello (2)

1 LAMA - Laboratoire d'Analyse et de Mathématiques Appliquées
2 DAEIMI - Dipartimento di Automazione Elettromagnetismo Ingegneria dell'Informazione Matematica Industriale

In this paper, starting from the classical 3 D micromagnetic energy, we determine, via an asymptotic analysis, the free energy of two joined ferromagnetic thin Ølms. We distinguish diÆerent regimes depending on the limit of the ratio between the small thicknesses of the two Ølms.

Mots clés: junctions; micromagnetics; variational problem; thin flms; junctions.

Domaines: Equations aux dérivées partielles [math.AP]

Rejeb Hadiji, Antonio Gaudiello. Junction of ferromagnetic thin films. Calculus of Variations and Partial Differential Equations, 2010, 39 (no 3-4), p. 593-619. ⟨hal-00795492⟩