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题名: EFFECTS OF A PULSE-WIDTH ON THE QUANTUM SPECTRA
作者: DU, ML
刊名: PHYSICAL REVIEW A
出版日期: 1995
卷号: 52, 期号:2, 页码:1143-1146
关键词: CLOSED-ORBIT THEORY ;  PHOTODETACHMENT CROSS-SECTION ;  STRONG ELECTRIC-FIELD ;  CLASSICAL ORBITS ;  MAGNETIC-FIELD ;  HYDROGEN-ATOM ;  IONIZATION ;  FORMULAS ;  OSCILLATIONS ;  DERIVATION
学科分类: Physics
通讯作者: DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
英文摘要: A theoretical study is made of the absorption cross section by a finite width laser pulse for atoms or negative ions in external fields. A modified closed-orbit formula for the cross section is derived. It is shown that the finite width of the laser pulse reduces the contributions from the short closed orbits and completely eliminates the contributions from the long closed orbits whose transit times are much greater than the pulse width. The theory is applied to study the photodetachment of H- in the presence of a static electric field by a laser pulse.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11719
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:
DU, ML. EFFECTS OF A PULSE-WIDTH ON THE QUANTUM SPECTRA[J]. PHYSICAL REVIEW A,1995,52(2):1143-1146.
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