Published in
American Physical Society, Physical Review Letters, 12(104), 2010
DOI: 10.1103/physrevlett.104.127204
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Dimensionality Crossover in Magnetism: From Domain Walls (2D) to Vortices (1D)
Journal article published in 2010 by
Aurélien Masseboeuf 
,
Olivier Fruchart,
J. C. Toussaint ,
Evaggelos Kritsikis,
L. D. Buda-Prejbeanu,
Fabien Cheynis,
Pascale Bayle-Guillemaud,
A. Marty
,
Olivier Fruchart,
J. C. Toussaint ,
Evaggelos Kritsikis,
L. D. Buda-Prejbeanu,
Fabien Cheynis,
Pascale Bayle-Guillemaud,
A. Marty
This paper is available in a repository.
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Abstract
Dimensionality crossover 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 confirmed experimentally based on micron-sized flux-closure dots.