Refractive index and Snell's Law for Dipolar-Exchange Spin-Waves in a Confined Planar Structure

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We derived the analytical forms of refractive index and Snell law for dipolar-exchange spin waves of reflection and refraction at a magnetically heterogeneous interface in a geometrically confined planer structure composed of different magnetic thin films from a microscopic scattering approach. A novel behavior, the optical total reflection, was demonstrated for spin waves with a specific interface between Yttrium iron garnet (Y3Fe5O12) and Permalloy (Ni80Fe20), by analytical and micromagnetic numerical calculations.
16 pages

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Materials Science, Other Condensed Matter

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http://salesiana.dossiersoluciones.com/handle/123456789/219446

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0901.1700
 http://arxiv.org/abs/0901.1700

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arXiv