Nonadiabatic dynamics of polyatomic molecules and ions in strong laser fields

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...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2003-07, Vol.68 (1), Article 011402
Main Authors: Markevitch, Alexei N., Smith, Stanley M., Romanov, Dmitri A., Bernhard Schlegel, H., Ivanov, Misha Yu, Levis, Robert J.
Format: Article
Language:English
Subjects:
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
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Summary: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.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.68.011402