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。
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。
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 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。
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