Domain Wall Propagation through Spin Wave Emission

Journal article (2012)
Department
QN/Quantum Nanoscience (AS) (TU Delft)
Copyright: © 2012 American Physical Society
DOI: https://doi.org/doi:10.1103/PhysRevLett.109.167209
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Published Date

18-10-2012

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Source:

Physical Review Letters, 109 (16), 2012

Faculty

Applied Sciences

Department

QN/Quantum Nanoscience

Abstract

We theoretically study field-induced domain wall motion in an electrically insulating ferromagnet with hard- and easy-axis anisotropies. Domain walls can propagate along a dissipationless wire through spin wave emission locked into the known soliton velocity at low fields. In the presence of damping, the usual Walker rigid-body propagation mode can become unstable for a magnetic field smaller than the Walker breakdown field.

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