Modification of Vibrational Parameters of a D∞h-Symmetric Triatomic Molecule in a Laser Plasma

We estimate theoretically the strong-field-modified vibrational parameters of three-atomic ABA molecules with D∞h symmetry in a laser-induced plasma. The linear CO2 and CS2 molecules in the X1Σg state are considered as examples. We show that double degeneracy of the Πu mode is removed due to reducti...

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Bibliographic Details
Published in:Symmetry (Basel) 2022-11, Vol.14 (11), p.2382
Main Authors: Kornev, Aleksei S., Chernov, Vladislav E., Kubelík, Petr, Ferus, Martin
Format: Article
Language:English
Subjects:
D∞h-symmetric triatomic molecule
Equilibrium
Influence
laser plasma
Laser plasmas
laser-modified vibrational parameters
Lasers
Parameter modification
Quantum dots
Radiation
Symmetry
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Summary:We estimate theoretically the strong-field-modified vibrational parameters of three-atomic ABA molecules with D∞h symmetry in a laser-induced plasma. The linear CO2 and CS2 molecules in the X1Σg state are considered as examples. We show that double degeneracy of the Πu mode is removed due to reduction of the ABA molecule symmetry by the laser field. The linear form of ABA molecule is preserved, the bond length being elongated.
ISSN:2073-8994
2073-8994
DOI:10.3390/sym14112382