New quantum control pathway for a coupled-potential system

Yukiyoshi Ohtsuki, Kazuki Ohara, Mayumi Abe, Kazuyuki Nakagami, Yuichi Fujimura

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)

Abstract

Optimal control theory is used to design laser pulses that enhance the trans-cis photoisomerization of retinal, which is modeled by coupled potential curves to examine coupling effects on control mechanisms. Based on numerical results, a new type of pump-dump control pathway, in which an optimal pulse achieves high target probability without directly modifying a potential coupling, is proposed. The key feature of this control is that a shaped wave packet passes a curve-crossing point adiabatically in the ground electronic state.

Original languageEnglish
Pages (from-to)525-533
Number of pages9
JournalChemical Physics Letters
Volume369
Issue number5-6
DOIs
Publication statusPublished - 2003 Feb 28

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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