本文采用一个简单模型，在仅计质量无序的情况下，由CPA方法讨论了超晶格中界面两侧原子的互扩散对其声子结构的影响。
With a simple model and only considering the mass disorder, we have discussed the effect of interface diffusion on the phonon structure of superlattices by means of CPA method.
其中，边界引力有效解决了流场边界恢复和内嵌边界问题，弹簧振子和正四面体趋进技术有效调整网格结构并提高网格质量。
By boundary attraction the mesh boundary approached the domain boundary and inner-domain boundary, the spring and equilateral tetrahedron approach method optimized the mesh structure effectually.
用有效质量方法计算了磁场下超晶格的子带结构和光跃迁。
Hole subbands and optical transitions of superlattices in magnetic field are calculated on the basis of the Luttinger-Kohn effective mass theory.
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