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- Title
Complexes of Domain Walls in Ferromagnetic Stripes.
- Authors
Janutka, A.
- Abstract
Interaction of domain walls in ferromagnetic stripes is studied with relevance to the formation of stable complexes of many domains. Two domain wall system is described with the Landau-Lifshitz-Gilbert equation including regimes of narrow and wide stripes which correspond the presence of transverse and vortex domain walls. The domain walls of both kinds are characterized with their chiralities (the direction of the magnetization rotation in the stripe plane) and polarities (the magnetization orientation in the center of a vortex and/or halfvortices), hence, their interactions are analyzed with dependence on these properties. In particular, pairs of the domain walls of opposite or like chiralities and polarities are investigated as well as pairs of opposite (like) chiralities and of like (opposite) polarities. Conditions of the creation of stationary bubbles built of two interacting domain walls are formulated with relevance to the situations of presence and absence of the external magnetic field.
- Subjects
FERROMAGNETIC-paramagnetic transitions; LANDAU-lifshitz equation; PARTIAL differential equations; MAGNETIZATION; MAGNETIC domain; MAGNETIC fields
- Publication
Acta Physica Polonica: A, 2013, Vol 124, Issue 4, p641
- ISSN
0587-4246
- Publication type
Article
- DOI
10.12693/APhysPolA.124.641