DICP OpenIR
Nuclear signature effect on spatial distribution of molecular harmonic in the presence of spatial inhomogeneous field
Feng, Liqiang1,2; Li, Wenliang2,3
KeywordMolecular High-order Harmonic Spectra Nuclear Signature Spatial Distribution Spatial Inhomogeneous Laser Field
Source PublicationLASER PHYSICS
2017
DOI10.1088/1555-6611/27/1/016002
Volume27Issue:1
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectOptics ; Physics, Applied
WOS KeywordINTENSE LASER FIELDS ; IONIZATION ; GENERATION ; DYNAMICS
AbstractSpatial distribution of the molecular harmonic spectra from H-2(+) in the presence of inhomogeneous field has been theoretically investigated. It shows that (i) the harmonic intensities from the negative-H nucleus play the dominating role in harmonic emission spectra. (ii) Through the investigations of the nuclear signature effect on the spatial distribution of the molecular harmonic spectra, the differences of the harmonic intensities between the negative-H nucleus and the positive-H nucleus can be enhanced and reduced with the introduction of the higher vibrational state and the heavy nucleus (i.e. D-2(+)), respectively. The time-frequency analyses of the harmonic spectra, the time-dependent wave function and the electron localization have been shown to explain the harmonic spatial distribution and the electron motion. (iii) Due to the plasmon-resonance-enhancement near the metallic nanostructure, the harmonic cutoff can be remarkably enhanced as the spatial position of the inhomogeneous field moving away from the gap center. The ionization probabilities have been shown to explain the harmonic cutoff extension.
Language英语
WOS IDWOS:000389258700001
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/150450
Collection中国科学院大连化学物理研究所
Affiliation1.Liaoning Univ Technol, Coll Sci, Jinzhou 121000, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Mol React Dynam, Dalian 116023, Peoples R China
3.Xinjiang Inst Engn, Key Lab Univ Educ, Dept Xinjiang Uygur Autonomous Reg New Energy Mat, Urumqi 830091, Peoples R China
Recommended Citation
GB/T 7714
Feng, Liqiang,Li, Wenliang. Nuclear signature effect on spatial distribution of molecular harmonic in the presence of spatial inhomogeneous field[J]. LASER PHYSICS,2017,27(1).
APA Feng, Liqiang,&Li, Wenliang.(2017).Nuclear signature effect on spatial distribution of molecular harmonic in the presence of spatial inhomogeneous field.LASER PHYSICS,27(1).
MLA Feng, Liqiang,et al."Nuclear signature effect on spatial distribution of molecular harmonic in the presence of spatial inhomogeneous field".LASER PHYSICS 27.1(2017).
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