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Molecular photoelectron spectrum in ultrashort laser fields: Autler-Townes splitting under rotational and aligned effects
Yuan, Kai-Jun; Sun, Zhigang; Cong, Shu-Lin; Lou, Nanquan
Source PublicationPHYSICAL REVIEW A
2006-10-01
DOI10.1103/PhysRevA.74.043421
Volume74Issue:4
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectOptics ; Physics, Atomic, Molecular & Chemical
WOS Research AreaOptics ; Physics
WOS KeywordWAVE-PACKET DYNAMICS ; ELECTRONIC STATES ; MULTIPHOTON IONIZATION ; ANGULAR-DISTRIBUTIONS ; DISSOCIATION DYNAMICS ; SCHRODINGER-EQUATION ; TRIATOMIC-MOLECULES ; POPULATION TRANSFER ; DIATOMIC-MOLECULES ; RABI OSCILLATIONS
AbstractThe molecular dynamics of Autler-Townes (AT) splitting in a multiphoton resonance ionization spectrum is numerically simulated using the time-dependent wave packet method for a rotating Na-2 molecule with a linearly polarized laser pulse. Employing the Fourier grid method and Legendre polynomials as basis functions, the initial wave packet is directly propagated using the split operator method. Wave packet dynamics simulations demonstrate that the AT splitting results from rapid Rabi oscillations induced by an ultrashort intense laser pulse in rovibrational coherent states that belong to different electronic terms. But Rabi oscillations will be damped because of the effects of rotation and alignment of the molecule in laser fields. The AT splitting in a photoelectron spectrum could be observed for a well-aligned molecule with sufficiently rapid Rabi oscillations. Only an adequately short laser pulse can induce AT splitting in a photoelectron spectrum. The effect of initial rotational temperature on the molecular dynamics is also studied.
Language英语
WOS IDWOS:000241723100134
Citation statistics
Cited Times:39[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/140010
Collection中国科学院大连化学物理研究所
Affiliation1.Dalian Univ Technol, Dept Phys, Dalian 116024, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol Rect Dynam, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Ctr Theoret & Computat Chem, Dalian 116023, Peoples R China
Recommended Citation
GB/T 7714
Yuan, Kai-Jun,Sun, Zhigang,Cong, Shu-Lin,et al. Molecular photoelectron spectrum in ultrashort laser fields: Autler-Townes splitting under rotational and aligned effects[J]. PHYSICAL REVIEW A,2006,74(4).
APA Yuan, Kai-Jun,Sun, Zhigang,Cong, Shu-Lin,&Lou, Nanquan.(2006).Molecular photoelectron spectrum in ultrashort laser fields: Autler-Townes splitting under rotational and aligned effects.PHYSICAL REVIEW A,74(4).
MLA Yuan, Kai-Jun,et al."Molecular photoelectron spectrum in ultrashort laser fields: Autler-Townes splitting under rotational and aligned effects".PHYSICAL REVIEW A 74.4(2006).
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