| 屏蔽理论对LiⅠ等电子序列离子基组态能量的计算方法研究 |
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| 引用本文： | 牟致栋,魏琦瑛,李元成,叶世旺.屏蔽理论对LiⅠ等电子序列离子基组态能量的计算方法研究[J].原子与分子物理学报,2004,21(2):235-238. |
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| 作者姓名： | 牟致栋 魏琦瑛 李元成 叶世旺 |
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| 作者单位： | 1. 中国矿业大学理学院,徐州,221008
2. 石油大学应用物理系,东营,257062 |
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| 基金项目： | 中国矿业大学科技基金资助(项目编号:OK1058) |
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| 摘 要： | 在屏蔽理论和多体微扰理论的基础上,文中提出了一种新的计算等电子序列离子基组态能量的方法,用该方法和作者设计的FORTRAN程序,计算了LiⅠ等电子序列离子 (3≤Z≤20)基组态能量,计算结果与已有实验结果十分接近,表明该方法对低Z原子体系基组态能量的计算是可行的.
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| 关 键 词： | 屏蔽理论 多体微扰理论(MBPT) LiⅠ等电子序列离子 基组态能量` |
| 文章编号： | 1000-0364(2004)02-0235-04 |
| 收稿时间： | 8/4/2003 12:00:00 AM |
Screening theory for ground configuration energies of Li-like ions |
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| MU Zhi-dong,WEI Qi-ying,LI Yuan-cheng,YE Shi-wang.Screening theory for ground configuration energies of Li-like ions[J].Journal of Atomic and Molecular Physics,2004,21(2):235-238. |
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| Authors: | MU Zhi-dong WEI Qi-ying LI Yuan-cheng YE Shi-wang |
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| Institution: | MU Zhi-dong~1,WEI Qi-ying~1,LI Yuan-cheng~2,YE Shi-wang~1 |
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| Abstract: | Based on many-body perturbation theory (MBPT) and screening theory for many-electron atomic system, we put forward a new method for calculation of ground configuration energies of middle-low Z atomic system. In present work, we calculated the Li-like ions from Z=3 to Z=20.Good agreement is found between experimental values and results calculated by this new method. These accurate configuration energies show itself that the new method is successful for calculation of ground configuration energies of small atomic system like LiⅠ sequence ions. |
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| Keywords: | Many-body perturbation theory (MBPT) Screening theory Li-like sequence ions Ground configuration energies |
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