| 交换关联对半导体超晶格等离激元色散关系的影响 |
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| 引用本文： | 薛登平,蔡建华. 交换关联对半导体超晶格等离激元色散关系的影响[J]. 半导体学报, 1988, 9(4): 339-342 |
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| 作者姓名： | 薛登平 蔡建华 |
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| 作者单位： | 南京大学固体物理研究所(薛登平)，上海交通大学凝聚态物理研究所(蔡建华) |
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| 摘 要： | 本文用优化的局域密度泛函近似所给出的介电矩阵计算了GaAs-Al_xGa_(1-x)As超晶格中等离激元色散关系,得到了对无规相近似的重要修正.
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| 关 键 词： | 半导体超晶格等离激元 |
Exchange and Correlation Effects on Plasmon Dispersion of Semiconductor Superlattices |
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| Xue Dengping/Institute of Solid State Physics,Nanjing University,NanjingCai Jianhua/Institute of Condensed Matter Physics,Jiaotong University,Shanghai. Exchange and Correlation Effects on Plasmon Dispersion of Semiconductor Superlattices[J]. Chinese Journal of Semiconductors, 1988, 9(4): 339-342 |
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| Authors: | Xue Dengping/Institute of Solid State Physics Nanjing University NanjingCai Jianhua/Institute of Condensed Matter Physics Jiaotong University Shanghai |
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| Abstract: | On the basis of the dielectric matrix derived from optimized local density functional ap-proximation,we have studied the plasmon dispersion relation of type I semiconductor superlat-tice GaAs-Al_xGa_(1-x)As and have obtained important corrections over RPA for finite wave-vectors. |
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| Keywords: | Plasmons in Semiconductor Superlattice |
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