Preprint 107/2007

Moving domain walls in magnetic nanowires

Katharina Kühn

Contact the author: Please use for correspondence this email.
Submission date: 13. Dec. 2007
Pages: 20
published in: Annales de l'Institut Henri Poincaré / C, 26 (2009) 4, p. 1345-1360 
DOI number (of the published article): 10.1016/j.anihpc.2008.11.004
MSC-Numbers: 82D40, 47J35
Download full preprint: PDF (207 kB)

This paper investigates the reversal of magnetic nanowires via a perturbation argument from the static case. We consider the gradient flow equation of the micromagnetic energy including the nonlocal stray field energy. For thin wires and weak external magnetic fields we show the existence of travelling wave solutions. These travelling waves are almost constant on the cross section and can thus be seen as moving domain walls of a type called transverse wall.

18.10.2019, 02:13