Soliton-antisoliton interaction in a parametrically driven easy-plane magnetic wire

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In the present work we study the soliton-antisoliton interaction in an anisotropic easy-plane magnetic wire forced by a transverse uniform and oscillatory magnetic field. This system is described in the continuous framework by the Landau-Lifshitz-Gilbert equation. We find numerically that the spatio-temporal magnetization field exhibits both annihilative and repulsive soliton-antisoliton interactions. We also describe this system with the aim of the associated Parametrically Driven and Damped Nonlinear Schrödinger amplitude equation and give an approximate analytical solution that roughly describes the repulsive interaction.

Original languageEnglish
Pages (from-to)2614-2618
Number of pages5
JournalPhysics Letters, Section A: General, Atomic and Solid State Physics
Issue number35
StatePublished - 11 Jul 2014

Bibliographical note

Funding Information:
We thank H. Pleiner (MPI-P, Mainz) for invaluable discussions. D.L. acknowledges partial financial support from FONDECYT 1120764 , Millennium Scientific Initiative , P 10-061-F , Basal Program Center for Development of Nanoscience and Nanotechnology ( CEDENNA ) Basal Project FB0807 , and UTA-project 8750-12 . D.U. acknowledges the PhD program fellowship through the Performance Agreement Project's UTA/Mineduc.

Publisher Copyright:
© 2014 Elsevier B.V.


  • Magnetic ordering
  • Nonlinear dynamics
  • Solitons


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