Steering of Molecular Multiple Dissociative Ionization with Strong Few-Cycle Laser Fields

  • Yunquan LiuEmail author
  • Xianrong Liu
  • Yongkai Deng
  • Chengyin Wu
  • Qihuang Gong
Conference paper
Part of the Springer Proceedings in Physics book series (SPPHY, volume 125)


Coherent control is an implicit goal of quantum physics and quantum chemistry, which have been significantly developed in utilizing light to control over the dynamics of atomic and molecular systems. We show that the process of multiple dissociative ionization of carbon monoxide (CO) molecules is controllable using an intense phase-stabilized few-cycle laser field (4.2 fs, 740 nm, \(6 \times 1{0}^{14}\,\mathrm{W}/{\mathrm{cm}}^{2})\). We demonstrate that the controllable emission direction of \({\mathrm{C}}^{2+}\) from charge asymmetrical dissociation and ionization of CO dications is out of phase in a linearly polarized laser field. The strong coupling between the dissociative channels is explained with the mechanisms of recollision excitation and recollision ionization. The competition between excitation and ionization in a recollision process leads to the opposite asymmetrical property. The results provide an insight into the controllable attosecond dynamics of multiple dissociative ionization of a complex molecule.


Momentum Distribution Laser Field Laser Polarization Coulomb Explosion Strong Laser Field 
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.



We thank for the support by the program for New Century Excellent Talents in University (NCET) and PhD program of Ministry of Education and the National Science Foundation of China (11125416 and 61078025).


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Copyright information

© Springer-Verlag Berlin Heidelberg 2012

Authors and Affiliations

  • Yunquan Liu
    • 1
    Email author
  • Xianrong Liu
    • 1
  • Yongkai Deng
    • 1
  • Chengyin Wu
    • 1
  • Qihuang Gong
    • 1
  1. 1.School of Physics and State Key Laboratory for Mesoscopic PhysicsPeking UniversityBeijingPR China

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