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Instability of Walker Propagating Domain Wall in Magnetic Nanowires by Hu, B.; Wang, X. R. is a scholarly article available to read on EtoBox.

What is Instability of Walker Propagating Domain Wall in Magnetic Nanowires about?

Stability of the well-known Walker propagating domain wall (DW) solution of the Landau-Lifshitz-Gilbert equation is analytically investigated. Surprisingly, the Walker's rigid body propagating DW mode is not stable against the spin wave/wavepacket emission. In the low field region only stern spin waves are emitted while both stern and bow waves are generated under high fields. In a high enough field, but below the Walker breakdown field, the Walker solution could be convective/absolute unstable if the transverse magnetic anisotropy is larger than a critical value, corresponding to a significant modification of the DW profile and DW propagating speed.

Author

Hu, B.; Wang, X. R.

Published

2013

Language

EN