| The closed-orbit and the photoabsorption spectra of lithium atom in varying＇magnetic fields |
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| 引用本文： | 王德华,丁世良. The closed-orbit and the photoabsorption spectra of lithium atom in varying＇magnetic fields[J]. 中国物理, 2004, 13(1): 30-35. DOI: 10.1088/1009-1963/13/1/007 |
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| 作者姓名： | 王德华 丁世良 |
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| 作者单位： | (1)School of Physics and Microelectronics, Shandong University, Jinan 250100, China; (2)School of Physics and Microelectronics, Shandong University, Jinan 250100, China; Department of Mathematics and Physics, Shandong Institute of Architecture and Engineering, Jinan 250014, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant No 20173031), the Science Foundation of Shandong Province, China, and the Doctoral Foundation from the Ministry of Education of China. |
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| 摘 要： | Using a simple analytic formula from closed orbit theory, we have calculated the photoabsorption spectra of Li atom in different magnetic fields. Closed orbits in the corresponding classical system have also been obtained for B=5.96T.We demonstrate schematically that the closed orbits disappear gradually with the decrease of the magnitude of the magnetic field. This gives us a good method to control the closed orbits in the corresponding system by changing the magnetic field, and thus changing the peaks in the photoabaorption spectra. By comparing the photoabsorption spectra of Li atom with those of hydrogen case, we find the core-scattered effects play an important role in multi-electron Rydberg atoms.
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| 关 键 词： | 闭环理论 吸收光谱 中心散射作用 磁场 Rydberg原子 碰撞加强密度 |
| 收稿时间： | 2003-03-21 |
| 修稿时间： | 2003-06-02 |
The closed-orbit and the photoabsorption spectra of lithium atom in varying magnetic fields |
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| Wang De-Hua and Ding Shi-Liang. The closed-orbit and the photoabsorption spectra of lithium atom in varying magnetic fields[J]. Chinese Physics, 2004, 13(1): 30-35. DOI: 10.1088/1009-1963/13/1/007 |
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| Authors: | Wang De-Hua and Ding Shi-Liang |
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| Affiliation: | School of Physics and Microelectronics, Shandong University, Jinan 250100, China; Department of Mathematics and Physics, Shandong Institute of Architecture and Engineering, Jinan 250014, China |
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| Abstract: | Using a simple analytic formula from closed orbit theory, we have calculated the photoabsorption spectra of Li atom in different magnetic fields. Closed orbits in the corresponding classical system have also been obtained for B=5.96T. We demonstrate schematically that the closed orbits disappear gradually with the decrease of the magnitude of the magnetic field. This gives us a good method to control the closed orbits in the corresponding system by changing the magnetic field, and thus changing the peaks in the photoabaorption spectra. By comparing the photoabsorption spectra of Li atom with those of hydrogen case, we find the core-scattered effects play an important role in multi-electron Rydberg atoms. |
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| Keywords: | closed-orbit theory photoabsorption spectra core-scattered effects |
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