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Circular dichroism in high-order harmonic generation from chiral molecules

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Title: Circular dichroism in high-order harmonic generation from chiral molecules
Authors: Harada, Yoichi Browse this author
Haraguchi, Eisuke Browse this author
Kaneshima, Keisuke Browse this author
Sekikawa, Taro Browse this author →KAKEN DB
Issue Date: 3-Aug-2018
Publisher: American Physical Society (APS)
Journal Title: Physical Review A
Volume: 98
Issue: 2
Start Page: 021401
Publisher DOI: 10.1103/PhysRevA.98.021401
Abstract: In this study, circularly polarized high-order harmonic generation (CP-HHG) from a chiral molecule, limonene, by a CP counter-rotating two-color laser field was found to possess circular dichroism. A high-order harmonic spectrum from a limonene enantiomer depends on the combination of the chirality of the enantiomer and the rotation direction of the superimposed two-color laser field in comparison with that of an achiral atom, helium. From the R enantiomer, the harmonic orders with clockwise polarization were generated more efficiently than those with counterclockwise polarization and vice versa. CP-HHG can be a sensitive probe of the chirality of biomolecules on the femtosecond and attosecond timescales.
Rights: ©2018 American Physical Society
Type: article
Appears in Collections:工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 関川 太郎

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