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Domain Walls as Spin Wave Waveguides
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classification
cond-mat.mes-hall
keywords
spindomainwallswaveblochwallwaveguideswaves
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We numerically demonstrate that domain walls can be used as spin wave waveguides. We show that gapless spin waves bounded inside a domain wall can be guided by the domain wall. For Bloch walls, we further show that the bound spin waves can pass through Bloch lines and corners without reflection. This finding makes domain-wall-based spin wave devices possible.
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