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题名: The application of Bessel discrete variable representation to atomic hydrogen in intense laser fields
作者: Yuan, Kai-Jun1;  Sun, Zhigang2;  Cong, Shu-Lin1;  Lou, Nanquan3
关键词: Bessel function ;  discrete variable representation ;  hydrogen atom ;  high-order harmonic generation
刊名: JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY
发表日期: 2007-12-01
卷: 6, 期:4, 页:823-831
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: The Bessel discrete variable representation (DVR) method is tested to describe the interaction of atomic hydrogen with intense laser fields by numerically solving the time-dependent Schrodinger equation. Using the Bessel functions of the first kind, the singular terms, r(-2) or r(-1) at the origin, in the kinetic energy operators are analytically solved. As an illustration example, the high-order harmonic generation (HOHG) spectra in atomic hydrogen is calculated in length and acceleration forms. From the numerical results, it is concluded that this simple Bessel DVR may be a useful method for describing the interaction of atomic hydrogen with intense laser fields.
关键词[WOS]: ORDER HARMONIC-GENERATION ;  SCHRODINGER-EQUATION ;  MULTIPHOTON PROCESSES ;  IONIZATION ;  H-2(+) ;  TRANSFORMS ;  DYNAMICS
语种: 英语
WOS记录号: WOS:000252615400013
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/140663
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Dalian Univ Technol, Dept Phys, Dalian 116024, Peoples R China
2.Nanyang Technol Univ, Sch Phys & Math Sci, Div Chem & Biol Chem, Singapore 637616, Singapore
3.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China

Recommended Citation:
Yuan, Kai-Jun,Sun, Zhigang,Cong, Shu-Lin,et al. The application of Bessel discrete variable representation to atomic hydrogen in intense laser fields[J]. JOURNAL OF THEORETICAL & COMPUTATIONAL CHEMISTRY,2007,6(4):823-831.
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