nonequilibrium green function technique 非平衡格林函数方法
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。
The technique is called the Green function method. The method can be used to calculate efficiently the node-to-node resistances or impedances in substrate models.
该方法可用于衬底模型中节点间电阻值或阻抗值的计算，其计算效率较高。
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