| 改进的Keldysh-Faisal-Reiss理论 |
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| 引用本文： | 陈宝振.改进的Keldysh-Faisal-Reiss理论[J].物理学报,1993,42(2):237-243. |
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| 作者姓名： | 陈宝振 |
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| 作者单位： | 北京师范大学低能核物理研究所,北京100875 |
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| 摘 要： | 在Keldysh-Faisal-Reiss(缩写为KFR)理论框架内,考虑了光场与原子势之间的耦合作用,对原有的KFR理论作了改进,得到了原子光电离概率的新的解析表达式。由这个新表达式产生的短脉冲强激光中氢原子阈上电离电子谱线与最近的实验谱线符合得比较好。由此对实验谱线提出了新的解释。
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| 关 键 词： | KFR理论 光电离 光场 原子势 耦合 |
| 收稿时间： | 1991-12-23 |
IMPROVED KELDYSH-FAISAL-REISS THEORY |
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| CHEN BAO-ZHEN.IMPROVED KELDYSH-FAISAL-REISS THEORY[J].Acta Physica Sinica,1993,42(2):237-243. |
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| Authors: | CHEN BAO-ZHEN |
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| Abstract: | In the framework of Keldysh-Faisal-Reiss (KFR) theory, with taking the coupling bet-ween the atomic potential and the applied light fields into account, the original KFR theory is improved and a new expression of photoionization probability of atoms is obtained.From this new expression, photoelectron spectra of H-atom ATI by strong linear-polarized laser in the short-pulse regime are got. This calulated photoelectron spectra are rather similar to the experimental ones. A new explanation of the experimental spectra is given. |
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