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arxiv: cond-mat/0703272 · v1 · submitted 2007-03-11 · ❄️ cond-mat.mtrl-sci · cond-mat.other

Time-dependent fields and anisotropy dominated magnetic media

classification ❄️ cond-mat.mtrl-sci cond-mat.other
keywords analyzeexternalfieldmagnetictime-dependentanisotropyanisotropy-dominatedapproximation
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We use a single dipole approximation to analyze the behavior of anisotropy-dominated magnetic nanoparticles subjected to an external r.f. field. We identify the steady state oscillations and analyze their stability. We also analyze the case when the external r.f. field has a time-dependent frequency which insures the most effective switching of the magnetization.

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