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Communication: Tracking molecular structure deformation and relaxation in real time

  • Y. Wang
  • , W. L. Liu
  • , Y. F. Song
  • , Y. Q. Liu
  • , L. P. Duo
  • , L. L. Jiang
  • , G. Y. Yu
  • , Y. Q. Yang*
  • *Corresponding author for this work
  • Harbin Institute of Technology
  • CAS - Dalian Institute of Chemical Physics
  • China Academy of Engineering Physics

Research output: Contribution to journalArticlepeer-review

Abstract

The CH3I structural deformation induced by strong laser fields is revealed by time- and frequency-resolved ro-vibrational spectra. The experimental results show that the CH3I molecule undergoes ultrafast structural deformation of CH3 "umbrella-closing" induced by the strong fs laser field (more than 1011 W/cm2) and followed by a structural relaxation of "umbrella-opening" within an exponential decay time scale of ∼620 fs. This study provides a first glimpse of the immense potential of the time- and frequency-resolved vibrational spectra in studying molecular deformation dynamics.

Original languageEnglish
Article number051101
JournalJournal of Chemical Physics
Volume143
Issue number5
DOIs
StatePublished - 7 Aug 2015

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