Ionization of and H 2 + and H 2 in intense laser fields: Excited state dynamics

T. Kato, Hirohiko Kono, M. Kanno, Y. Fujimura, K. Yamanouchi

Research output: Contribution to journalArticlepeer-review

13 Citations (Scopus)


The dynamical behavior of H 2 + in near-infrared, intense laser fields (I > 1013 W/cm2 and λ > 700 nm) was discussed on the basis of the results of accurate electronic and nuclear wave packet propagation obtained by the application of the dual transformation method. Using "field-following" time-dependent adiabatic states defined as the eigenfunctions of the "instantaneous" electronic Hamiltonian including the dipole interaction with laser fields, we clarify the importance of the excited state dynamics in the ionization process. We also discuss the mechanism of ionization of H2 on the basis of the description of the multicofiguration time-dependent Hartree-Fock (MCTDHF) method.

Original languageEnglish
Pages (from-to)1712-1722
Number of pages11
JournalLaser Physics
Issue number8
Publication statusPublished - 2009 Aug

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Instrumentation
  • Condensed Matter Physics
  • Industrial and Manufacturing Engineering


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