Research Area

• Theoretical studies of photophysical processes and reaction dynamics

Research Subjects

• Quantum information processing using molecular qubits
• Methodological development of quantum optimal control theory and its application to molecular alignment/orientation
• Laser control and application of attosecond intramolecular electron migration
• Development of electronic and nuclear wave packet methods for multidimensional systems
• Coulomb explosion of molecules in intense X-ray free electron laser fields
• Simulation of time-resolved X-ray diffraction patterns from photoexcited molecules
• Theoretical design and performance evaluation of molecular devices
• Laser-induced reaction dynamics of nanocarbons
• Simulation of radiation-induced DNA strand breaks

Overview of Research

Theoretical studies of photoinduced physical and chemical phenomena in gas and condensed phases (including solids) in a wide range of time scales (from milli to atto seconds). Theoretical design of quantum control of reaction dynamics by electromagnetic fields based on density matrix formalism as well as Schrödinger wave function formalism. Development of new electronic and nuclear wave packet methods and computer experiments.

Selected Publications

• Reduced-dynamics approach for optimally designing unitary transformations K. Arai and Y. Ohtsuki, Phys. Rev. A 92, 062302 (12 pages) (2015).
• Characterization of multielectron dynamics in molecules: A multiconfiguration time-dependent Hartree-Fock picture S. Ohmura, H. Kono, T. Oyamada, T. Kato, K. Nakai, and S. Koseki, J. Chem. Phys. 141, 114105 (14 pages) (2014).
• Orienting CO molecules with an optimal combination of THz and laser pulses: Optimal control simulation with specified pulse amplitude and fluence M. Yoshida and Y. Ohtsuki, Phys. Rev. A 90, 013415 (11 pages) (2014).
• Nanosecond simulations of the dynamics of C60 excited by intense near-infrared laser pulses: Impulsive Raman excitation, rearrangement, and fragmentation N. Niitsu, M. Kikuchi, H. Ikeda, K. Yamazaki, M. Kanno, H. Kono, K. Mitsuke, M. Toda, and K. Nakai, J. Chem. Phys. 136, 164304 (12 pages) (2012).
• Nonadiabatic Response Model of Laser-Induced Ultrafast π-Electron Rotations in Chiral Aromatic Molecules M. Kanno, H. Kono, Y. Fujimura, and S. H. Lin, Phys. Rev. Lett. 104, 108302 (4 pages) (2010).

Contact Information

“Please delete “/” after “@” in a mail address.”
KONO Hirohiko
(TEL&FAX +81-22-795-7720, Email: hirohiko-kono@/m.tohoku.ac.jp
OHTSUKI Yukiyoshi
(TEL +81-22-795-7725, Email: ohtsuki@/m.tohoku.ac.jp
KANNO Manabu
(TEL +81-22-795-7729, Email: kanno@/m.tohoku.ac.jp
Fax: +81-22-795-7725
Website: http://web.tohoku.ac.jp/mcl/index-e.html