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Quantum Dynamics of Spin Wave Propagation Through Domain Walls | S. Yuan
; H. De Raedt
; S. Miyashita
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; | Date: |
21 Jun 2006 | Subject: | Materials Science; Statistical Mechanics | Abstract: | Through numerical solution of the time-dependent Schrodinger equation, we demonstrate that magnetic chains with uniaxial anisotropy support stable structures, separating ferromagnetic domains of opposite magnetization. These structures, domain walls in a quantum system, are shown to remain stable if they interact with a spin wave. We find that a domain wall transmits the longitudinal component of the spin excitations only. Our results suggests that continuous, classical spin models described by LLG equation cannot be used to describe spin wave-domain wall interaction in microscopic magnetic systems. | Source: | arXiv, cond-mat/0606549 | Services: | Forum | Review | PDF | Favorites |
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