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题名: Interferences in photodetachment of a negative molecular ion
作者: Afaq, Ahmad ;  Du Meng-Lil
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2006
卷号: 46, 期号:1, 页码:119-122
关键词: CLOSED CLASSICAL ORBITS ;  ELECTRIC-FIELD ;  QUANTUM SPECTRA ;  MAGNETIC-FIELD ;  CROSS-SECTION ;  IONIZATION ;  ATOMS ;  MICROSCOPE
学科分类: Physics
通讯作者: Afaq, A , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: 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 also 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 low photon energy limits respectively.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000239223300027
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5948
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Afaq, Ahmad,Du Meng-Lil. Interferences in photodetachment of a negative molecular ion[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2006,46(1):119-122.
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