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EFFECTS OF A PULSE-WIDTH ON THE QUANTUM SPECTRA
DU, ML; DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
1995
发表期刊PHYSICAL REVIEW A
ISSN1050-2947
卷号52期号:2页码:1143-1146
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.
关键词Closed-orbit Theory Photodetachment Cross-section Strong Electric-field Classical Orbits Magnetic-field Hydrogen-atom Ionization Formulas Oscillations Derivation
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/11719
专题1978-2010年知识产出
通讯作者DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.
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DU, ML,DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA.. EFFECTS OF A PULSE-WIDTH ON THE QUANTUM SPECTRA[J]. PHYSICAL REVIEW A,1995,52(2):1143-1146.
APA DU, ML,&DU, ML , ACAD SINICA,INST THEORET PHYS,POB 2735,BEIJING 100080,PEOPLES R CHINA..(1995).EFFECTS OF A PULSE-WIDTH ON THE QUANTUM SPECTRA.PHYSICAL REVIEW A,52(2),1143-1146.
MLA DU, ML,et al."EFFECTS OF A PULSE-WIDTH ON THE QUANTUM SPECTRA".PHYSICAL REVIEW A 52.2(1995):1143-1146.
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