Recoilless fractions of simple cubic monatomic nanocrystalline particles are calculated by using displacement displacement Green's function.

应用位移位移格林函数计算了简立方单原子纳米晶体颗粒的无反冲分数.

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The fourth chapter gives the concrete numerical calculation method of surface Green's function and density matrix.

第4章给出了具体的表面格林函数和密度矩阵的数值计算方法.

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