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。
In this paper, the power, wave function, average value, and uncertainty relation of localized electronic spin in uniform magnetic field were discussed.
本文讨论了近似模型下，即不考虑轨道运动时，均匀磁场中定域电子能量、波函数、平均值及测不准关系。
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。
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