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史晓霞,雷华,孙国林,云国宏.面心立方双层铁磁薄膜中低能量体模的波形演化[J].低温物理学报,2019,(4):278-283. [点击复制]
SHI Xiaoxia,LEI Hua,SUN Guolin,YUN Guohong.The Waveform Evolution of Low-Energy Phantom in the Surface-Centered Cubic Double-Layer Ferromagnetic Thin Film[J].LOW TEMPERATURE PHYSICAL LETTERS,2019,(4):278-283. [点击复制]

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面心立方双层铁磁薄膜中低能量体模的波形演化
史晓霞¹, 雷华², 孙国林³, 云国宏^4,5
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(1.内蒙古科技大学包头医学院医学技术与麻醉学院,内蒙古包头014040;2.内蒙古科技大学附属中学,内蒙古包头014030;3.内蒙古包头铁道职业技术学院,内蒙古包头014040;4.内蒙古大学理工学院物理系,内蒙古呼和浩特 010021;5.内蒙古师范大学物理与电子信息学院,内蒙古呼和浩特 010022)

摘要:

利用二次量子化方法研究了由相同面心立方结构(100)材料构成的铁磁性双层薄膜中的自旋波,重点讨论了低能量体模的波形演化情况.结果表明,面心立方晶格能量较低的体模在薄膜 A-A型铁磁材料传播过程中波形完全相同,传播行为也完全相同;并且随着能量的增加,体模波长在两层铁磁薄膜材料中逐渐缩短,波速逐渐减小.

关键词: 面心立方,低能量体模,波形演化

DOI：

基金项目:

The Waveform Evolution of Low-Energy Phantom in the Surface-Centered Cubic Double-Layer Ferromagnetic Thin Film

SHI Xiaoxia¹, LEI Hua², SUN Guolin³, YUN Guohong^4,5

(1.Medical Technique and Anesthesiology Department of Medical college, Lnner Mongolia University of Science and Technology, Baotou 014040;2.High School Attached to Inner Mongolia University of Science and Technology, Baotou, 014030;3.Baotou Railway Vocational Technical College, Baotou 014040;4.Department of Physics, Inner Mongolia University, Hohhot 010021;5.Physics and Electronic In formation College, Lnner Mongolia Normal University Hohhot 010022)

Abstract:

Ferromagnetic bilayers with face-centered cubic (100) are studied by using a second quantization approach. The waveform evolution of low-energy bulk mode is discussed in detail. The results show that the phantom of the surface-centered cubic lattice energy is the same in the propagation process of the thin-film A-A type ferromagnetic material, and the propagation behavior is the same; and with the increase of the energy, the wave length of the phantom is gradually shortened in the two-layer ferromagnetic thin film material, and the wave velocity is gradually reduced.

Key words: face-centered cubic low-energy phantom the wave form evolution

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