spin-wave theory 自旋波理论
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。
These results are compared with those of the spin wave theory for low temperatures.
所得结果在低温时与自旋波理论作了比较，在高温时与已有的结果比较接近。
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。
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