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Nonadiabatic Response Model of Laser-Induced Ultrafast π-Electron Rotations in Chiral Aromatic Molecules

Manabu Kanno, Hirohiko Kono, Yuichi Fujimura, and Sheng H. Lin
Phys. Rev. Lett. 104, 108302 – Published 12 March 2010
Physics logo See Synopsis: Hot currents in benzene

Abstract

We theoretically investigated the nonadiabatic couplings between optically induced π-electron rotations and molecular vibrations in a chiral aromatic molecule irradiated by a nonhelical, linearly polarized laser pulse. The results of wave packet dynamics simulation show that the vibrational amplitudes strongly depend on the initial rotation direction, clockwise or counterclockwise, which is controlled by the polarization direction of the incident pulse. This suggests that attosecond π-electron rotations can be observed by spectroscopic detection of femtosecond molecular vibrations.

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  • Received 18 September 2009

DOI:https://doi.org/10.1103/PhysRevLett.104.108302

©2010 American Physical Society

Synopsis

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Hot currents in benzene

Published 22 March 2010

Simulations reveal how laser-excited persistent currents in ring-shaped aromatic molecules couple to vibrational modes.

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Authors & Affiliations

Manabu Kanno1,*, Hirohiko Kono1, Yuichi Fujimura1,†, and Sheng H. Lin2,3

  • 1Department of Chemistry, Graduate School of Science, Tohoku University, Sendai 980-8578, Japan
  • 2Institute of Atomic and Molecular Sciences, Academia Sinica, Taipei 10617, Taiwan, Republic of China
  • 3Department of Applied Chemistry, National Chiao Tung University, Hsinchu 300, Taiwan, Republic of China

  • *Present address: Department of Basic Science, Graduate School of Arts and Sciences, The University of Tokyo, Komaba, 153-8902 Tokyo, Japan.
  • fujimurayuichi@mail.tains.tohoku.ac.jp

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Issue

Vol. 104, Iss. 10 — 12 March 2010

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