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Self-Energy Correction to Momentum-Density Distribution of Positron-Electron Pairs
http://hdl.handle.net/2297/1690
http://hdl.handle.net/2297/16901a39aefd-2c6a-4900-bda0-5e5459948e97
名前 / ファイル | ライセンス | アクション |
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SC-PR-SAITO-M-PhysRevLett_94_106402.pdf (1.8 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2017-10-03 | |||||
タイトル | ||||||
タイトル | Self-Energy Correction to Momentum-Density Distribution of Positron-Electron Pairs | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Tang, Z.
× Tang, Z.× Nagai, Y.× Inoue, K.× Toyama, T.× Chiba, T.× Saito, M. |
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提供者所属 | ||||||
内容記述タイプ | Other | |||||
内容記述 | 金沢大学理学部 | |||||
書誌情報 |
Physical Review Letters 巻 94, 号 10, p. 106402-1-106402-4, 発行日 2005-03-18 |
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ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 00319007 | |||||
DOI | ||||||
関連タイプ | isIdenticalTo | |||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1103/physrevlett.94.106402 | |||||
その他の識別子 | ||||||
内容記述タイプ | Other | |||||
内容記述 | AA00773679 | |||||
出版者 | ||||||
出版者 | The American Physical Society | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | Positron two-dimensional angular correlation of annihilation radiation (2D ACAR), i.e., the 2D projection of the electron momentum densities sampled by positron, in Si is employed to verify the prediction of the density functional theory within the local-density approximation (LDA). Carefully conducted test shows that the LDA introduces small but definite discrepancies to the 2D-ACAR anisotropies. Self-energy calculation using the GW method indicates that density-fluctuation contributes anisotropic momentumdensity correction and thus improves the agreement between theory and experiment. These results provide valuable annotations to the arguments concerning the accuracy and validity of the LDA and GW schemes. | |||||
権利 | ||||||
権利情報 | © 2005 The American Physical Society | |||||
著者版フラグ | ||||||
出版タイプ | VoR | |||||
出版タイプResource | http://purl.org/coar/version/c_970fb48d4fbd8a85 |