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Studies of electron transfer in NaI with pumpprobe femtosecond photoelectron spectroscopy

Summary: Studies of electron transfer in NaI with pump­probe femtosecond
photoelectron spectroscopy
Yasuki Arasaki and Kazuo Takatsukaa)
Department of Basic Science, Graduate School of Arts and Sciences, University of Tokyo, Komaba,
153-8902, Tokyo, Japan
Kwanghsi Wang and Vincent McKoyb)
Laboratory for Molecular Sciences, California Institute of Technology, Pasadena, California 91125
Received 5 June 2003; accepted 24 July 2003
We discuss an extension of our formulation of energy- and angle-resolved photoelectron spectra for
femtosecond pump­probe ionization of wave packets to nonadiabatically coupled states and present
results of its applications to wave packet motion on the ionic (Na I ) and covalent NaI states of
sodium iodide. The results of these studies suggest that the energy and angular distributions of these
photoelectron spectra provide a useful mapping of the bifurcation of the wave packets through the
crossing region and a valuable window on the intramolecular electron transfer occurring between
the covalent and ionic states (NaINa I ). © 2003 American Institute of Physics.
DOI: 10.1063/1.1609397
Numerous studies have shown pump-probe femtosecond
photoelectron spectroscopy to be a useful probe of wave
packet dynamics in molecular systems.1­12


Source: Arasaki, Yasuki - Department of Basic Science, University of Tokyo


Collections: Physics