Electronic States of Alkali Metals Studied by the DV-Xα Cluster Method
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概要
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The discrete variational (DV) Xα method is applied to investigate the electronic structure of alkali metals. The structure of energy levels of large cluster has a similarity to the density-of-states of metallic system of the same elements if the contribution of surface atoms is removed. Decomposition of the density-of-states at the Fermi energy into the partial waves shows strong p character for Li, nearly equal s and p contributions for Na and nearly equal s, p and d components for K, Rb and Cs. The calculated density-of-states is compared favorably with X-ray absorption spectrum of K, Rb and Cs. The effect of the d state near the edge of X-ray absorption spectrum is found serious, in particular for Cs.
- 社団法人日本物理学会の論文
- 1995-07-15
著者
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池田 高志
東京工業大学大学院理工学研究科
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Ikeda Takashi
Department of Biological Sciences, Graduate School of Science, University of Tokyo
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