Quantum coherent π-electron rotations in a non-planar chiral molecule induced by using a linearly polarized UV laser pulse

IWTCP-2; NCTP-39

Mineo, Hirobumi^1 ; Fujimura, Yuichi^2

Institute of Atomic and Molecular Science, No.1 Section 4, Roosevelt road, Taipei

115, Taiwan^1

Department of Applied Chemistry, Center for Interdisciplinary Molecular Science, National Chiao Tung University, Hsinchu

30010, Taiwan^2

关键词: Aromatic molecules;    Aromatic rings;    Chiral molecule;    Electron dynamics;    Electron rings;    Linearly polarized UV;    Switching methods;    Time dependent;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/627/1/012020/pdf
DOI  :  10.1088/1742-6596/627/1/012020

来源: IOP

【 摘 要 】

We propose an ultrafast quantum switching method of π-electron rotations, which are switched among four rotational patterns in a nonplanar chiral aromatic molecule (P)-2,2'- biphenol and perform the sequential switching among four rotational patterns which are performed by the overlapped pump-dump laser pulses. Coherent π-electron dynamics are generated by applying the linearly polarized UV pulse laser to create a pair of coherent quasidegenerated excited states. We also plot the time-dependent π-electron ring current, and discussed ring current transfer between two aromatic rings.