| Issue |
EPL
Volume 97, Number 3, February 2012
|
|
|---|---|---|
| Article Number | 30006 | |
| Number of page(s) | 6 | |
| Section | General | |
| DOI | https://doi.org/10.1209/0295-5075/97/30006 | |
| Published online | 02 February 2012 | |
Localized waves in a parametrically driven magnetic nanowire
1
Departamento de Física, Facultad de Ciencias Físicas y Matemáticas, Universidad de Chile Casilla 4873, Santiago, Chile
2
Laboratoire de Physique des Lasers, Atomes et Molécules, CNRS UMR 8523, Centre d'Etudes et de Recherches Lasers et Applications, Université des Sciences et Technologies de Lille - F-59655 Villeneuve d'Ascq Cedex, France, EU
3
Max Planck Institute for Polymer Research - D-55021 Mainz, Germany, EU
4
Instituto de Alta Investigación, Universidad de Tarapacá - Casilla 7D, Arica, Chile
Received:
28
August
2011
Accepted:
3
January
2012
The pattern formation in a magnetic wire forced by a transversal uniform and oscillatory magnetic field is studied. This system is described in the continuous framework by the Landau-Lifshitz-Gilbert equation. We find numerically that, the spatio-temporal magnetization field exhibits a family of localized states that connect asymptotically a uniform oscillatory state with an extended wave. Close to parametrical resonance instability, an amended amplitude equation is derived, which allows us to understand and characterize these localized waves.
PACS: 05.45.-a – Nonlinear dynamics and chaos / 89.75.Kd – Patterns
© EPLA, 2012
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