Visualizing Correlated Dynamics of Hydrogen Atoms in Acetylene Dication by Time-Resolved Four-Body Coulomb Explosion Imaging

  • Akitaka Matsuda
  • Mizuho Fushitani
  • Eiji J. Takahashi
  • Akiyoshi Hishikawa
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 125)


Ultrafast hydrogen migration in deuterated acetylene dication (C\({}_{2}{\mathrm{D}}_{2}^{2+}\)) is studied by time-resolved four-body Coulomb explosion imaging, C2D\({}_{2}^{4+}\, \rightarrow \,\,{\mathrm{D}}^{+} +{ \mathrm{C}}^{+} +{ \mathrm{C}}^{+} +{ \mathrm{D}}^{+}\), using a pair of few-cycle intense laser pulses (9 fs, 1. 3 ×1014 W/cm2). Momentum correlation of the D + ions produced by the full fragmentation process shows that (1) motions of the two deuterium atoms are strongly correlated during the isomerization and (2) the molecular structure deforms to non-planar geometries.


Deuterium Atom Coulomb Explosion Kinetic Energy Release Hydrogen Migration Small Time Delay 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.



This work is supported by the PRESTO fund for “Evolution of Light Generation and Manipulation” from Japan Science and Technology Agency and by the Grant in Aid (#15685001) from MEXT of Japan.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Akitaka Matsuda
    • 1
  • Mizuho Fushitani
    • 1
  • Eiji J. Takahashi
    • 2
  • Akiyoshi Hishikawa
    • 1
  1. 1.Department of Chemistry, Graduate School of ScienceNagoya UniversityNagoyaJapan
  2. 2.RIKENWakoJapan

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