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使用变分累积展开法,计算了简单立方、体心立方、面心立方格点上自旋1/2的铁磁薄膜的磁化强度和矫玩力.显示磁化强度和矫顽力不仅依赖于温度和自旋层数,而且还依赖于格点结构.
The variational cumulant expansion method was used to calculate the magnetization and the correlativity of the ferromagnetic thin films with spin 1/2 on the simple cubic, body-centered cubic, face-centered cubic lattice points. The results show that the magnetization and coercive force not only depend on the temperature And spin layer, but also depends on the lattice structure.