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dc.contributor.authorMineo, Hirobumien_US
dc.contributor.authorYamaki, Masahiroen_US
dc.contributor.authorTeranishi, Yoshiakien_US
dc.contributor.authorHayashi, Michitoshien_US
dc.contributor.authorLin, Sheng Hsienen_US
dc.contributor.authorFujimura, Yuichien_US
dc.date.accessioned2014-12-08T15:24:15Z-
dc.date.available2014-12-08T15:24:15Z-
dc.date.issued2012-09-05en_US
dc.identifier.issn0002-7863en_US
dc.identifier.urihttp://dx.doi.org/10.1021/ja3047848en_US
dc.identifier.urihttp://hdl.handle.net/11536/16853-
dc.description.abstractNonplanar chiral aromatic molecules are candidates for use as building blocks of multidimensional switching devices because the pi electrons can generate ring currents with a variety of directions. We employed (P)-2,2'-biphenol because four patterns of pi-electron rotations along the two phenol rings are possible and theoretically determine how quantum switching of the it-electron rotations can be realized. We found that each rotational pattern can be driven by a coherent excitation of two electronic states under two conditions: one is the symmetry of the electronic states and the other is their relative phase. On the basis of the results of quantum dynamics simulations, we propose a quantum control method for sequential switching among the four rotational patterns that can be performed by using ultrashort overlapped pump and dump pulses with properly selected relative phases and photon polarization directions. The results serve as a theoretical basis for the design of confined ultrafast switching of ring currents of nonplanar molecules and further current-induced magnetic fluxes of more sophisticated systems.en_US
dc.language.isoen_USen_US
dc.titleQuantum Switching of pi-Electron Rotations in a Nonplanar Chiral Molecule by Using Linearly Polarized UV Laser Pulsesen_US
dc.typeArticleen_US
dc.identifier.doi10.1021/ja3047848en_US
dc.identifier.journalJOURNAL OF THE AMERICAN CHEMICAL SOCIETYen_US
dc.citation.volume134en_US
dc.citation.issue35en_US
dc.citation.spage14279en_US
dc.citation.epage14282en_US
dc.contributor.department應用化學系分子科學碩博班zh_TW
dc.contributor.department物理研究所zh_TW
dc.contributor.departmentInstitute of Molecular scienceen_US
dc.contributor.departmentInstitute of Physicsen_US
dc.identifier.wosnumberWOS:000308283200004-
dc.citation.woscount7-
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