| Interferences in Photodetachment of a Negative Molecular Ion |
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| 作者姓名： | Ahmad Afaq DU Meng-Li |
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| 作者单位： | Institute of Theoretical Physics, the Chinese Academy of Sciences, Beijing 100080, China |
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| 基金项目： | The project supported by National Natural Science Foundation of China under Grant No. 90403028 |
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| 摘 要： |
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| 关 键 词： | 光致分离 量子干涉 否定分子离子 双中心模型 |
| 收稿时间： | 2006-03-15 |
| 修稿时间： | 2006-03-15 |
Interferences in Photodetachment of a Negative Molecular Ion |
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| Ahmad Afaq DU Meng-Li.Interferences in Photodetachment of a Negative Molecular Ion[J].Communications in Theoretical Physics,2006,46(1):119-122. |
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| Authors: | Ahmad;Afaq;DU;Meng-Li |
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| Abstract: | The photodetachment of a negative molecular ion is studied theoretically using a two-center model. The detached electron wave function is obtained as a superposition of two coherent waves originating from each center. The photo-detached electron flux is evaluated on a screen placed at a large distance from the negative molecular ion. The electron flux on the screen displays strong interferences, the peak positions are related to the distance between the two centers in the negative molecular ion. We a/so obtained a simple analytical formula for the total photodetachment cross section. It approaches one and two times of the cross section for the one-center system in the high and lowphoton energy limits respectively. |
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| Keywords: | photodetachment quantum interference |
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