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题名: Oscillations in the photodetachment cross section of a two-centre model
作者: Afaq, A. ;  Du, M. L.
刊名: JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS
出版日期: 2009
卷号: 42, 期号:10, 页码:-
关键词: CLOSED CLASSICAL ORBITS ;  NEGATIVE-ION PHOTODETACHMENT ;  ELECTRIC-FIELD ;  QUANTUM SPECTRA ;  MAGNETIC-FIELD ;  MOLECULAR ION ;  IONIZATION ;  ATOMS ;  INTERFERENCES
学科分类: Physics
通讯作者: Afaq, A , Univ Punjab, Ctr Excellence Solid State Phys, Lahore, Pakistan
部门归属: [Afaq, A] COMSATS Inst Informat Technol, Dept Phys, Lahore, Pakistan; [Du, ML] Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: We study analytically the photodetachment cross sections of a two-centre negative ion system based on an extension of the photodetachment model of H(-). The photodetachment cross section formulae are derived and found to be strongly oscillatory. We study in detail the dependence of the cross section on the distance between the two centres, photon energy and the laser polarization direction. Closed-orbit theory is extended and used to study the origin for the oscillations in the cross sections. We also derive the oscillatory photodetachment cross section averaged over the orientations of the two-centre system. This study reveals the connection between the oscillations in the cross section and a detached-electron orbit.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000266125700001
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/5324
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, A.,Du, M. L.. Oscillations in the photodetachment cross section of a two-centre model[J]. JOURNAL OF PHYSICS B-ATOMIC MOLECULAR AND OPTICAL PHYSICS,2009,42(10):-.
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