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51.
A lattice model is proposed to describe the stripe domain sructure in a magnetic ultrathin film that consists of only a few or tens of monolayers and has a perpendicular anisotropy.The dipo;ar energies of the perpendicular and in-plane uniform magnetic states and the stripe domain structures in a magnetic ultrathin film are calculated separately using Ewald's lattice summation method. The thickness dependence of the stripe domain structure is investigated, and the stability of the stripe dimain structure is discussed. The results show that for magnetic ultrathin films the stripe dimain structure may have sensitive dependence on their thickness. 相似文献
52.
耦合谐振子的双波描述 总被引：5，自引：2，他引：3
采用双波函数量子理论 ,研究了耦合谐振子力学量的时间演化方程及其经典极限 ,进一步验证了双波函数描述的是单个粒子 ,而单个波函数描述的是量子系综的结论 相似文献