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29 March 2024
 
  » arxiv » cond-mat/0606549

 Article overview


Quantum Dynamics of Spin Wave Propagation Through Domain Walls
S. Yuan ; H. De Raedt ; S. Miyashita ; PostScript ; PDF ; Other formats ;
Date 21 Jun 2006
Subject Materials Science; Statistical Mechanics
AbstractThrough 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
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