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Dimensionality cross-over in magnetism: from domain walls (2D) to vortices (1D)

Abstract : Dimensionality cross-over is a classical topic in physics. Surprisingly it has not been searched in micromagnetism, which deals with objects such as domain walls (2D) and vortices (1D). We predict by simulation a second-order transition between these two objects, with the wall length as the Landau parameter. This was conrmed experimentally based on micron-sized ux-closure dots.
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https://hal.archives-ouvertes.fr/hal-00416725
Contributor : Olivier Fruchart <>
Submitted on : Wednesday, March 17, 2010 - 11:41:37 PM
Last modification on : Friday, July 10, 2020 - 7:58:44 AM
Document(s) archivé(s) le : Thursday, September 23, 2010 - 12:13:30 PM

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Aurélien Masseboeuf, Olivier Fruchart, Jean-Christophe Toussaint, Evaggelos Kritsikis, L. D. Buda-Prejbeanu, et al.. Dimensionality cross-over in magnetism: from domain walls (2D) to vortices (1D). Physical Review Letters, American Physical Society, 2010, 104, pp.127204. ⟨10.1103/PhysRevLett.104.127204⟩. ⟨hal-00416725v2⟩

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