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。

After integrating out the electron degrees of freedom, we derive the effective action describing the nuclear spins and the propagator for the spin wave.

youdao

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。

After integrating out the electron degrees of freedom, we derive the effective action describing the nuclear spins and the propagator for the spin wave.

youdao