Refraction of surface spin waves in spatially inhomogeneous ferrodielectrics with biaxial magnetic anisotropy

被引：0
|
作者：
S. A. Reshetnyak
机构：
[1] National Academy of Sciences of Ukraine,Institute of Magnetism
来源：
Physics of the Solid State | 2004年 / 46卷
关键词：
Spectroscopy; Magnetic Field; Reflection; Anisotropy; Refractive Index;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The refractive index of surface spin waves propagating in a ferromagnetic medium with a nonuniform distribution of the parameters of uniaxial and orthorhombic magnetic anisotropies and exchange coupling is determined within the spin-density formalism. The coefficients of reflection and transmission of spin waves at the interface between two homogeneous magnets with different constants of uniaxial and orthorhombic magnetic anisotropies, exchange coupling, and saturation magnetization are calculated. The dependences of the intensity of a reflected wave and the refractive index on the wave frequency and the strength of an external dc homogeneous magnetic field are determined.
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页码：1061 / 1067
页数：6
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