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题名: Quantum and semiclassical studies on photodetachment cross sections of H- in a harmonic potential
作者: Zhao, HJ ;  Liu, WL ;  Du, ML
刊名: CHINESE PHYSICS B
出版日期: 2016
卷号: 25, 期号:3, 页码:33203
关键词: photodetachment ;  harmonic oscillator potential ;  closed-orbit theory
学科分类: Physics
DOI: http://dx.doi.org/10.1088/1674-1056/25/3/033203
通讯作者: Du, ML (reprint author), Chinese Acad Sci, Inst Theoret Phys, State Key Lab Theoret Phys, Beijing 100190, Peoples R China.
文章类型: Article
英文摘要: The photodetachment cross section of H- in a linear harmonic oscillator potential is investigated. This system provides a rare example that can be studied analytically by both quantum and semiclassical methods with some approximations. The formulas of the cross section for different laser polarization directions are explicitly derived by both the traditional quantum approach and closed-orbit theory. In the traditional quantum approach, we calculate the cross sections in coordinate representation and momentum representation, and get the same formulas. We compare the quantum formulas with closed-orbit theory formulas, and find that when the detachment electron energy is larger than 3/2 (h) over bar omega, where omega is the frequency of the oscillator potential, the quantum results are shown to be in good agreement with the semiclassical results.
类目[WOS]: Physics, Multidisciplinary
关键词[WOS]: CLOSED CLASSICAL ORBITS ;  MAGNETIC-FIELDS ;  ELECTRIC-FIELD ;  SPECTRA ;  IONIZATION ;  ATOMS ;  ORIENTATION ;  FORMULAS
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11421063, 11474079] ;  Natural Science Foundation of Shanxi Province, China [2009011004] ;  Program for the Top Young Academic Leaders of Higher Learning Institutions of Shanxi Province, China
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21741
Appears in Collections:理论物理所2016年知识产出_期刊论文

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Recommended Citation:
Zhao, HJ,Liu, WL,Du, ML. Quantum and semiclassical studies on photodetachment cross sections of H- in a harmonic potential[J]. CHINESE PHYSICS B,2016,25(3):33203.
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