| Issue |
EPL
Volume 105, Number 6, March 2014
|
|
|---|---|---|
| Article Number | 67006 | |
| Number of page(s) | 5 | |
| Section | Condensed Matter: Electronic Structure, Electrical, Magnetic and Optical Properties | |
| DOI | https://doi.org/10.1209/0295-5075/105/67006 | |
| Published online | 31 March 2014 | |
Domain wall motion in thin ferromagnetic nanotubes: Analytic results
1 Department of Mathematics and Information Sciences, Northumbria University Newcastle Upon Tyne, NE1 8ST, UK
2 Max Planck Institute for the Physics of Complex Systems - Nöthnitzer Straße 38, D-01187 Dresden, Germany
3 School of Mathematics, University of Bristol - University Walk, Bristol, BS8 1TW, UK
Received: 27 December 2013
Accepted: 17 March 2014
Dynamics of magnetization domain walls (DWs) in thin ferromagnetic nanotubes subject to weak longitudinal external fields is addressed analytically in the regimes of strong and weak penalization. Exact solutions for the DW profiles and formulas for the DW propagation velocity are derived in both regimes. In particular, the DW speed is shown to depend nonlinearly on the nanotube radius.
PACS: 75.75.-c – Magnetic properties of nanostructures / 75.78.Fg – Dynamics of domain structures
© EPLA, 2014
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