XVIth International Workshop on
Quantum Systems in
Chemistry and Physics
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Laser-induced Electronic and Nuclear Coherent Motions of Chiral Molecules
Yuichi Fujimura
Department of Chemistry, Tohoku University, Sendai, Japan
Department of Applied Chemistry, National Chaio Tung University, Hsinchu, Taiwan
Results of a theoretical study of ultrafast laser-induced electronic and nuclear coherent motions of chiral molecules were presented. We have recently found by quantum dynamical simulations that transient unidirectional motions of &pi-electrons in an ansa (planar-chiral) aromatic ring molecule can be created along its ring by using ultrafast, linearly polarized UV laser pulses. Unidirectional rotational motions, clockwise or counterclockwise, can be controlled by changing the direction of the photon polarization of the pulses. We have also found by nuclear wavepacket simulations that nonadiabatic couplings are directly related to the rotational direction of &pi-electrons. In this report, we clarify the nonadiabatic coupling effects on the coherent dynamics of chiral aromatic molecules.


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