Using spin wave theory and the equation of motion technique for the Green function, specific heat of ferromagnetic antiferromagnetic double layers at low temperature is investigated. 应用线性自旋波的理论和格林函数运动方程技术,利用数值计算的方法得到铁磁-反铁磁双层系统的低温比热。
The research status and recent progress of the spin wave emitting are reviewed, which is caused by spin-transfer torque and magnetization precession in the nanoscale magnetic multilayer. 回顾了纳米磁多层结构中电流感应自旋矩传输和电流驱动磁化矢量进动引起的自旋波发射等新量子效应的研究现状及发展。
In this paper, effect of alone defect contained in one-dimension iron magnet body on the frequency shift of the spin wave is discussed. 本文讨论了一维铁磁体中含有单个缺陷对自旋波频率移动的影响,结果表明,缺陷的存在会产生以缺陷为中心的局域自旋取向运动模式。
Makeup Mirror beads spin wave of water. 妆镜影珠波水旋。
The spin wave in the A-type antiferromagnet with magnetoelectric effect 具有磁电效应的A类反铁磁系统的自旋波理论
Study of Nematic Liquid Crystal Using Spin Wave Theory 用自旋波理论研究向列相液晶
Surface Spin Wave of Anisotropic Ferrimagnet 各向异性亚铁磁体的表面自旋波
A model of microwave loss due to spin wave resonance in grain surface layers 微波铁氧体损耗的晶粒表层自旋波共振模型
H and spin wave linewidth? Waveform Synthesis Technology H和自旋波线宽?波形合成技术
Effect of antiferromagnetic spin wave on resistivity of the high t_c superconductors 反铁磁自旋波对高温超导体的电阻特性的影响
By using Heisenberg exchange model and Green functions, the spin wave solution has been studied. 方法利用Heisenberg交换作用模型、格林函数法研究了系统的自旋波解。
We study effect of the next-nearest-neighbor coupling on antiferromagnetic order, Neel temperature, and spin correlation in terms of our anisotropic nonlinear spin wave theory. 在本人已有的工作&各向异性非线性自旋波理论的基础上研究次近邻耦合对序参数、Neel温度和自旋关联的影响。
Based upon the spin wave theory, the spontaneous magnetization of small particle system at low temperatures is studied by means of solving the Heisenberg model directly. 从自旋波理论出发,通过直接求解Heisenberg模型,研究了低温下小粒子自旋体系的自发磁化规律。
Surface spin wave of Heisenberg ferromagnet 海森堡铁磁体表面自旋波
Influence of External Magnetic Fields on the Spin Wave Energy of Ferrite 外磁场对铁氧体自旋波谱的影响
The canonical transformation and the spin wave in two dimensional Heisenberg antiferromagnetic system 二维Heisenberg反铁磁系统中的正则变换和自旋波
The influence of the spatial arrangement of the neighboring atoms on the spin wave spectra of the amorphous ferromagnets 近邻原子的空间排列对非晶态铁磁体自旋波谱的影响
In this work, the phenomena of excitation of SWR ( Spin Wave Resonance) in magnetic films are investigated. 本文研究了磁性薄膜中的自旋波共振激发现象。
Based on the spin waves theory of ferromagnets and interaction quantum theory between the spin wave and microwave radiation, this paper discusses magnetization of the ferromagnetic ultrafine particle in the low temperature case and absoption of microwave by system of magnon, which contains quantum size effects. 根据铁磁自旋波理论及自旋波与微波辐射的相互作用量子理论,得到计入量子尺寸效应时铁磁超细颗粒的低温磁化强度及磁振子的微波吸收函数。
Influence of Bulk Single Uniaxial Anisotropy on Spin Wave Resonant Spectra in Ferromagnetic Bilayer Films 体单轴各向异性对双层铁磁薄膜中自旋波共振谱的影响
In this paper, we study the in-plane exchange anisotropy and spin wave ( that is ferromagnetic resonance) in a ferromagnetic ( FM)/ antiferromagnetic ( AFM) bilayer under stress field. 我们采用了自由能最小化的方法,研究了铁磁/反铁磁双层膜系统在外应力下的交换各向异性(交换偏置)和一致进动的自旋波性质(也就是铁磁共振现象)。
An interface rescaling approach is adopted to study the ferromagnetic bilayers with body centered cubic structure considering the ferromagnetic interface coupling. The spin wave eigen mode, dispersion relation and energy band are investigated. 采用界面重参数化方法,研究了体心立方结构的铁磁性材料,在界面为铁磁性耦合情况下,两层薄膜中自旋波的本征模、能带结构、色散关系。
The influences of different parameters on the transverse acoustic phonon excitation are also illustrated. It's found that the coupling of the magnon-phonon coupling and the spin wave stiffness are the main factors affecting the transverse acoustic phonon softening. 并且又讨论了各项参数对横向声频支声子激发的影响,发现磁振子-声子耦合与自旋波劲度常数对横向声频支声子软化起很大的作用。
Nonlocal Magnetic Susceptibility Tensor and Spin Wave Resonance of the Ferromagnetic Film 铁磁薄膜的非局域磁化率张量和自旋波共振
Effect of kinematic interaction on spin wave energy spectrum at low temperature 低温下运动学相互作用对自旋波谱的影响
H and spin wave linewidth? H和自旋波线宽?
The spin wave theory of ferromagnetic anisotropy in cubic crystals 立方晶体铁磁各向异性的自旋波理论
With respect to the three-dimensional XY model which attracts the most attention of our latter work's, we introduced the spin wave theory and the self-consistent mean-field theory applied in it. 对于我们研究工作的主要对象三维XY模型,介绍了自旋波和自洽平均场理论在其中的应用。
Yamamoto also researched the thermodynamic properties of ferrimagnetic spin chain by modified spin wave theory and density-matrix renormalization-group method. Yamamoto用修正的自旋波理论和密度矩阵重整化理论去研究海森堡亚铁磁链的热力学性质。
Considering that the wave function of Fermi system is anti-symmetry when two electrons are exchanged, the spatial wave function and the spin wave function should be exchange symmetry or exchange anti-symmetry. 同时考虑到全同费米子体系的波函数具有交换反对称性,电子的空间波函数和自旋波函数应具有交换对称性或交换反对称性。