讨论了含时磁场下具有单轴向异性交换作用双自旋系统的瞬时本征态及其绝热周期演化下的Ｂｅｒｒｙ相位，并由此分析了单轴各向异性交换作用对自......

Yangian Y(sl(2)) is realized in the bi-spin system coupled with a time-dependent external magnetic field. It is shown th......