Domain-wall induced phase shifts in spin waves.
作者： Riccardo Hertel , Wulf Wulfhekel , Jürgen Kirschner
DOI: 10.1103/PHYSREVLETT.93.257202
关键词:
摘要: We study the interaction between two important features of ferromagnetic nanoparticles: magnetic domain walls and spin waves. Micromagnetic simulations reveal that magnetostatic spin waves change their phase as they pass through domain walls. Similar to an Aharonov-Bohm experiment, we suggest to probe this effect by splitting the waves on different branches of a ring. The interference of merging waves depends on the domain walls in the branches. A controlled manipulation of spin-wave phases could be the first step …
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