| Theoretical studies on the photoionization cross-sections of solid silver |
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| 引用本文： | 马晓光,孙卫国. Theoretical studies on the photoionization cross-sections of solid silver[J]. 中国物理, 2005, 14(9): 1792-1798 |
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| 作者姓名： | 马晓光 孙卫国 |
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| 作者单位： | Department of Physics, Yantai Normal University,Yantai 264025, China;Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No 10474068) and the Natural Science Foundation of Yantai Normal University (Grant No 22270301). |
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| 摘 要： | An alternative expression for photoionization cross-section of atoms or molecules and a dielectric influence function （DIF） in a high-density system proposed recently are used to study the photoionization cross-sections of solid silver. It is suggested that a density turning point （DTP） of a photoionized system may be viewed as the critical point where the photoionization properties of atoms in a real system may have a notable change. The results show that the present theoretical photoionization cross-sections are in good agreement with the experimental results of a silver crystal both in structure and in magnitude.
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| 关 键 词： | 固态银 光致电离 电介质 电荷密度 介质常数 |
| 文章编号： | 1009-1963/2005/14（09）/1792-07 |
| 收稿时间： | 2005-03-15 |
| 修稿时间： | 2005-03-152005-04-14 |
Theoretical studies on the photoionization cross-sections of solid silver |
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| Ma Xiao-Guang and Sun Wei-Guo. Theoretical studies on the photoionization cross-sections of solid silver[J]. Chinese Physics, 2005, 14(9): 1792-1798 |
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| Authors: | Ma Xiao-Guang and Sun Wei-Guo |
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| Affiliation: | Department of Physics, Yantai Normal University,Yantai 264025, China; Institute of Atomic and Molecular Physics, Sichuan University, Chengdu 610065, China |
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| Abstract: | An alternative expression for photoionization cross-section of atoms or molecules and a dielectric influence function (DIF) in a high-density system proposed recently are used to study the photoionization cross-sections of solid silver. It is suggested that a density turning point (DTP) of a photoionized system may be viewed as the critical point where the photoionization properties of atoms in a real system may have a notable change. The results show that the present theoreticalphotoionization cross-sections are in good agreement with the experimental results of a silvercrystal both in structure and in magnitude. |
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| Keywords: | photoionization cross-section solid silver dielectric constant |
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