View in EDS

Role of Degenerate States on Molecular Excitation by Intense Laser Pulses.

Saved in:
Bibliographic Details
Title: Role of Degenerate States on Molecular Excitation by Intense Laser Pulses.
Authors: Li, Bo1 (AUTHOR), Liu, Yan Rong1 (AUTHOR), Kimberg, Victor2 (AUTHOR), Gong, Maomao1 (AUTHOR), Cheng, Yongjun1 (AUTHOR), Wu, Yong3,4 (AUTHOR), Wang, Jian Guo3 (AUTHOR), Chen, Jing5 (AUTHOR), Zhang, Song Bin1 (AUTHOR) song-bin.zhang@snnu.edu.cn
Source: Chinese Physics Letters. Nov2025, Vol. 42 Issue 11, p1-8. 8p.
Subjects: Laser pulses, Circular polarization, Degenerate perturbation theory, Molecular dynamics, Electronic excitation, Diatomic molecules, Resonance
Abstract: A singlet diatomic molecule naturally carries doubly degenerate ± Λ states when the projection of the total electronic angular momentum onto the internuclear axis is nonzero. These doubly degenerate states contribute equally in conventional measurements and are thus treated the same in corresponding simulations. In this study, we demonstrate that in resonant excitation by intense laser pulses, the doubly degenerate ± Λ states must be clearly identified. This is exemplified in the X1Σ → A1Π transition of CO molecules. This distinction becomes especially important in the case of circularly polarized radiation. We attribute this phenomenon to the interference of electron-rotational pathways in the strong-field coupled transition with the ± Λ -state of the excited Π state. This research sheds light on the fundamental aspects of intense laser-molecule interactions when extending conventional theories. [ABSTRACT FROM AUTHOR]
Copyright of Chinese Physics Letters is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Engineering Source
FullText Text:
  Availability: 0
Header DbId: egs
DbLabel: Engineering Source
An: 188832717
AccessLevel: 6
PubType: Academic Journal
PubTypeId: academicJournal
PreciseRelevancyScore: 0
IllustrationInfo
Items – Name: Title
  Label: Title
  Group: Ti
  Data: Role of Degenerate States on Molecular Excitation by Intense Laser Pulses.
– Name: Author
  Label: Authors
  Group: Au
  Data: <searchLink fieldCode="AR" term="%22Li%2C+Bo%22">Li, Bo</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Liu%2C+Yan+Rong%22">Liu, Yan Rong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Kimberg%2C+Victor%22">Kimberg, Victor</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Gong%2C+Maomao%22">Gong, Maomao</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cheng%2C+Yongjun%22">Cheng, Yongjun</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wu%2C+Yong%22">Wu, Yong</searchLink><relatesTo>3,4</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Jian+Guo%22">Wang, Jian Guo</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Chen%2C+Jing%22">Chen, Jing</searchLink><relatesTo>5</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Zhang%2C+Song+Bin%22">Zhang, Song Bin</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> song-bin.zhang@snnu.edu.cn</i>
– Name: TitleSource
  Label: Source
  Group: Src
  Data: <searchLink fieldCode="JN" term="%22Chinese+Physics+Letters%22">Chinese Physics Letters</searchLink>. Nov2025, Vol. 42 Issue 11, p1-8. 8p.
– Name: Subject
  Label: Subjects
  Group: Su
  Data: <searchLink fieldCode="DE" term="%22Laser+pulses%22">Laser pulses</searchLink><br /><searchLink fieldCode="DE" term="%22Circular+polarization%22">Circular polarization</searchLink><br /><searchLink fieldCode="DE" term="%22Degenerate+perturbation+theory%22">Degenerate perturbation theory</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+dynamics%22">Molecular dynamics</searchLink><br /><searchLink fieldCode="DE" term="%22Electronic+excitation%22">Electronic excitation</searchLink><br /><searchLink fieldCode="DE" term="%22Diatomic+molecules%22">Diatomic molecules</searchLink><br /><searchLink fieldCode="DE" term="%22Resonance%22">Resonance</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: A singlet diatomic molecule naturally carries doubly degenerate ± Λ states when the projection of the total electronic angular momentum onto the internuclear axis is nonzero. These doubly degenerate states contribute equally in conventional measurements and are thus treated the same in corresponding simulations. In this study, we demonstrate that in resonant excitation by intense laser pulses, the doubly degenerate ± Λ states must be clearly identified. This is exemplified in the X1Σ → A1Π transition of CO molecules. This distinction becomes especially important in the case of circularly polarized radiation. We attribute this phenomenon to the interference of electron-rotational pathways in the strong-field coupled transition with the ± Λ -state of the excited Π state. This research sheds light on the fundamental aspects of intense laser-molecule interactions when extending conventional theories. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Chinese Physics Letters is the property of IOP Publishing and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=egs&AN=188832717
RecordInfo BibRecord:
  BibEntity:
    Identifiers:
      – Type: doi
        Value: 10.1088/0256-307X/42/11/110302
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 8
        StartPage: 1
    Subjects:
      – SubjectFull: Laser pulses
        Type: general
      – SubjectFull: Circular polarization
        Type: general
      – SubjectFull: Degenerate perturbation theory
        Type: general
      – SubjectFull: Molecular dynamics
        Type: general
      – SubjectFull: Electronic excitation
        Type: general
      – SubjectFull: Diatomic molecules
        Type: general
      – SubjectFull: Resonance
        Type: general
    Titles:
      – TitleFull: Role of Degenerate States on Molecular Excitation by Intense Laser Pulses.
        Type: main
  BibRelationships:
    HasContributorRelationships:
      – PersonEntity:
          Name:
            NameFull: Li, Bo
      – PersonEntity:
          Name:
            NameFull: Liu, Yan Rong
      – PersonEntity:
          Name:
            NameFull: Kimberg, Victor
      – PersonEntity:
          Name:
            NameFull: Gong, Maomao
      – PersonEntity:
          Name:
            NameFull: Cheng, Yongjun
      – PersonEntity:
          Name:
            NameFull: Wu, Yong
      – PersonEntity:
          Name:
            NameFull: Wang, Jian Guo
      – PersonEntity:
          Name:
            NameFull: Chen, Jing
      – PersonEntity:
          Name:
            NameFull: Zhang, Song Bin
    IsPartOfRelationships:
      – BibEntity:
          Dates:
            – D: 01
              M: 11
              Text: Nov2025
              Type: published
              Y: 2025
          Identifiers:
            – Type: issn-print
              Value: 0256307X
          Numbering:
            – Type: volume
              Value: 42
            – Type: issue
              Value: 11
          Titles:
            – TitleFull: Chinese Physics Letters
              Type: main
ResultId 1