自旋波

Fe3Si在低温下的自旋波研究

A study of spin wave in fe_3si at low temperature

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。

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 .

A－B结构铁磁性超晶格中自旋波局域模与界面模

Confined and Interface Modes of Spin-Waves in Ferromagnetic Superlattices of A-B Structure

两层A～B铁磁耦合薄膜中的自旋波的色散关系

The dispersion relations of the spin waves in a A ~ B ferromagnetic bilayer system

H和自旋波线宽？波形合成技术

H and spin wave linewidth ? Waveform Synthesis Technology

H和自旋波线宽？

H and spin wave linewidth ?

介绍了一种测量微波铁氧体材料自旋波线宽△HK的方法，它是用连续微波信号进行测量的。

A method for measuring the spin-wave linewidth ⊿ H_k of microwave ferrites is presented . The continuous microwave signal is used in the measurements .

二维Heisenberg反铁磁系统中的正则变换和自旋波

The canonical transformation and the spin wave in two dimensional Heisenberg antiferromagnetic system

非晶态（Fe（1-x）Nbx）（84.5）B（15.5）合金低温下的磁性和自旋波激发

Magnetic properties and spin wave excitation at low temperature for amorphous ( fe_ ( 1-x ) nb_x ) _ ( 84.5 ) b_ ( 15.5 ) alloys

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。

By using Heisenberg exchange model and Green functions , the spin wave solution has been studied .

垂直泵的结构对YIG单晶薄膜的第二级自旋波不稳定性临界场的影响

Effect of the perpendicular pumping configurations on the second-order spin-wave instability threshold in single crystal YIG films

在Fe-Ni多晶薄膜和YIG单晶薄膜上观测到线性自旋波共振谱。

The linear spin-wave spectra in Fe-Ni polycrystalline films and YIG single crystal films have been observed .

X-Y-Z模型&非各向同性反铁磁Heisenberg系统的自旋波解

Spin wave approach for X-Y-Z model & a study of the anisotropic Heisenberg antiferromagnet

非晶态Fe（90-x）SixZr（10）合金的磁矩，Curie温度和自旋波激发

Magnetic moment , Curie temperature and spin wave excitation for amorphous fe_ ( 90-x ) si_x zr_ ( 10 ) alloys

线性近似下的X-Y-Z模型&各向异性亚铁磁性Heisenberg系统的自旋波解

The Spin Wave Solution to Heisenberg System of Ferrimagnetism of X-Y-Z Model-Anisotropic Under the Linear Approximate

量子Heisenberg模型适用于磁性绝缘体，被广泛应用于铁磁与反铁磁自旋波理论中，并取得成功。

The quantum Heisenberg model is suitable for magnetic insulating material , that is widely and successfully used in the spin-wave theory of ferromagnetic and anti-ferromagnetic material .

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。

Yamamoto also researched the thermodynamic properties of ferrimagnetic spin chain by modified spin wave theory and density-matrix renormalization-group method .

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。

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 .

在Heisenberg模型的基础上，分别在未加磁场和计入垂直于膜面的磁场时，严格求解了体心立方结构双层铁磁性薄膜中自旋波的低能量子本征值问题。

On the basis of the Heisenberg exchange model , the spin-wave eigen-problem of the ferromagnetic bilayers with body centered cubic structure was solved exactly at the low temperature .

铁磁自旋波对介观环中持续电流的影响Ⅱ.Peierls失稳中magnon的作用

Influence of Ferromagnetic Spin Wave on the Persistent Currents in the Texture Mesoscopic Ring Influence of Magnon on the Peierls Instability

研究表明：极低温下自旋波被冻结；在任何温度范围内，BlochT~（3/2）定律都不再严格成立。

Investigations show that the spin waves are frozen out at ultra-low temperature , and the Bloch T3 / 2 law is no longer correct in any region of temperature .

应用修正的Heisenberg模型研究铁磁与反铁磁系统低激发态的自旋波，修正了旧的理论结果。

Using the modified Heisenberg model , the spin waves of the low-lying excited states of the ferromagnetic and antiferromagnetic systems have been studied and the old theory has been modified .

本工作也较好地解释了非晶态Invar合金中由中子非弹性散射和磁化强度测量所获得的自旋波劲度常数的差异。

In this work , the difference between the stiffness coefficients obtained from the inelastic neutron scattering and the magnetization measurements for amorphous Invar alloys was also explained .

A-B-A三链系统层间耦合与界面自旋波存在条件

Interface Coupling and Existence Conditions for Interface Spin Waves in an A B A System

在所得自旋波激发阻尼系数普遍表示式的基础上，以（α-C：H）（1-x）Cox无序颗粒膜为例，研究颗粒膜自旋波激发弛豫随温度的变化。

On the basis of the spin wave excitation damp coefficient , and taking the (α - C : H ) _ ( 1-x ) Co_x disorder granular film as a case , we have got the variation law of spin wave excitation delay with temperature .

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。

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 .

利用Heisenberg交换作用模型、格林函数法研究了XYZ模型亚铁磁性Heisenberg系统下的二维长方复式晶格（P211）的自旋波解。

In this paper , we have studied the two-dimensional rectangle double lattice ( p211 ) spin wave solution under X-Y-Z mode ferrimagnetism Heisenberg system with Heisenberg exchange mode and Green function .

对于二维反铁磁体，其物理在低温区大家公认是由长程奈尔序上的低能自旋波激发决定，在高温部分其磁化率是遵从于Curie-Weiss定律。

As far as the two-dimensional ( 2D ) quantum Heisenberg antiferromagnet is concerned , its low-temperature physics is generally accepted to be determined by the spin-wave excitations upon the long-range Neel order . At high temperature , the static magnetic susceptibility shows a Curie-Weiss law .

基于量子系综的准自旋波激发的量子存贮研究

Quantum memory based on atomic ensembles with collective quasi-spin wave excitations

自旋波的各种模式及其实验探测方法

All kinds of spin waves and their detectable methods in experiments