| 光谱学与光谱分析 |
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| NⅡ Ion Spectra Related to Lightning Discharges |
| YUAN Ping1, 2, LIU Xin-sheng1, ZHANG Yi-jun1 |
1.Atmospheric Physics Department, Cold and Arid Regions Environmental Research Institute, Chinese Academy of Sciences, Lanzhou 730000, China
2.College of Physics and Electronic Engineering of Northwest Normal University, Lanzhou 730070, China |
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Abstract Appling the atomic structure theory to the research field of physical processes of lightning discharges, parameters such as wavelengths, oscillator strengths, transition probabilities and excitation energy of upper levels have been calculated for the transitions of NⅡ ions related to lightning discharges. Large-scale multi-configuration Dirac-Fock wavefunctions were applied to include the most important effects of relativity, correlation, and rearrangement of the electron density within the same (computational) model. More detailed identification than ever for lightning spectra has been done, and reference data have been provided for further theoretic and experimental works on the physical mechanism of lightning discharges.
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Received: 2002-06-13
Accepted: 2002-10-18
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Corresponding Authors:
YUAN Ping
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