Nonadiabatic dynamics of polyatomic molecules and ions in strong laser fields

Journal Article · Tue Jul 01 00:00:00 EDT 2003 · Physical Review. A

DOI:https://doi.org/10.1103/PhysRevA.68.011402· OSTI ID:20639849

Markevitch, Alexei N; Levis, Robert J ^[1]; Smith, Stanley M; Bernhard Schlegel, H ^[2]; Romanov, Dmitri A ^[3]; Ivanov, Misha Yu ^[4]

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1. Department of Chemistry, Temple University, Philadelphia, Pennsylvania 19122, USA (United States)
2. Department of Chemistry, Wayne State University, Detroit, Michigan 48202, USA (United States)
3. Department of Physics, Temple University, Philadelphia, Pennsylvania 19122, USA (United States)
4. Steacie Institute for Molecular Sciences, NRC Canada, Ottawa, Ontario, Canada K1A 0R6 (Canada)

Ionization and/or fragmentation of large organic molecules in strong laser fields can be quantitatively understood as a transition from adiabatic to nonadiabatic dynamics of the electronic degrees of freedom. Measurements of fragmentation patterns demonstrate regular trends as a function of the size and electronic structure of a molecule. A theoretical model is presented that agrees quantitatively with the measurements for a series of polycyclic aromatic molecules.

• OSTI ID: 20639849
• Journal Information: Physical Review. A, Vol. 68, Issue 1; Other Information: DOI: 10.1103/PhysRevA.68.011402; (c) 2003 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA); ISSN 1050-2947
• Country of Publication: United States
• Language: English

Related Subjects

74 ATOMIC AND MOLECULAR PHYSICS
DEGREES OF FREEDOM
DISSOCIATION
ELECTRONIC STRUCTURE
IONIZATION
LASER RADIATION
MOLECULAR IONS
MOLECULES
PHOTON-MOLECULE COLLISIONS
POLYCYCLIC AROMATIC AMINES
POLYCYCLIC AROMATIC HYDROCARBONS