A spin wave theory of nematic liquid crystals was proposed in this paper.
采用自旋波理论研究向列相液晶。
We analyse the change of the phase diagram, the ground state energy and the spin wave dispersions.
我们也分析了相图、基态能量和自旋波色散关系的改变。
A method of retarded Green function equation of motion is applied to inveti gate the surface spin wave spectrum of Heisenberg ferromagnet.
用格林函数运动方程方法研究了海森堡铁磁体表面自旋波谱。
After integrating out the electron degrees of freedom, we derive the effective action describing the nuclear spins and the propagator for the spin wave.
将电子自由度积掉后，我们得到了描述核自旋的有效作用量以及核自旋的自旋波传播子。
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。
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。
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。
On the basis of standard spin-wave theory, the magnetic dispersion relations for a two-dimensional Heisenberg antiferromagnet are investigated.
利用标准的自旋波理论，研究了二维三角海森堡反铁磁体的色散关系。
On the basis of the results obtained, the spin-wave resonance of a ferromagnetic film with a surface of antiferromagnetic oxide is discussed.
在所得结果的基础上，讨论了具有反铁磁氧化层的铁磁薄膜的自旋波共振。
Considering the interface couplings (ferromagnetic coupling and antiferromagnetic coupling), the spin-wave dispersion relations, wave forms and resonant spectra in ferromagnetic bilayers are studied.
对双层铁磁薄膜构成的系统，考虑界面铁磁性和反铁磁性耦合对自旋波色散关系、波形演化及共振的影响。
Considering the interface couplings (ferromagnetic coupling and antiferromagnetic coupling), the spin-wave dispersion relations, wave forms and resonant spectra in ferromagnetic bilayers are studied.
对双层铁磁薄膜构成的系统，考虑界面铁磁性和反铁磁性耦合对自旋波色散关系、波形演化及共振的影响。
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