| 面心立方双层铁磁薄膜中低能量体模的波形演化 |
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| 引用本文： | 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,2019,41(4):278-283. |
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| 作者姓名： | 史晓霞 雷华 孙国林 云国宏 |
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| 作者单位： | 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;内蒙古科技大学附属中学,内蒙古包头014030;内蒙古包头铁道职业技术学院,内蒙古包头014040;内蒙古大学理工学院物理系,内蒙古呼和浩特010021;内蒙古师范大学物理与电子信息学院,内蒙古呼和浩特010022 |
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| 基金项目： | 包头医学院科学研究基金项目;高等学校博士学科点专项科研基金;国家自然科学基金;国家自然科学基金;资助的课题 |
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| 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.
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| 关 键 词： | 面心立方 低能量体模 波形演化 |
The Waveform Evolution of Low-Energy Phantom in the Surface-Centered Cubic Double-Layer Ferromagnetic Thin Film |
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| SHI Xiaoxi,LEI Hu,SUN Guolin and YUN Guohong.The Waveform Evolution of Low-Energy Phantom in the Surface-Centered Cubic Double-Layer Ferromagnetic Thin Film[J].Chinese Journal of Low Temperature Physics,2019,41(4):278-283. |
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| Authors: | SHI Xiaoxi LEI Hu SUN Guolin and YUN Guohong |
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| Institution: | Medical Technique and Anesthesiology Department of Medical college, Lnner Mongolia University of Science and Technology, Baotou 014040,High School Attached to Inner Mongolia University of Science and Technology, Baotou, 014030,Baotou Railway Vocational Technical College, Baotou 014040 and Department of Physics, Inner Mongolia University, Hohhot 010021;Physics and Electronic In formation College, Lnner Mongolia Normal University Hohhot 010022 |
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| 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. |
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| Keywords: | face-centered cubic low-energy phantom the wave form evolution |
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