Polarization selectivity of charge localization induced by a 7-fs nearly single-cycle light field in an organic metal

Y. Kawakami; Y. Yoneyama; T. Amano; H. Itoh; K. Yamamoto; Y. Nakamura; H. Kishida; T. Sasaki; S. Ishihara; Y. Tanaka; K. Yonemitsu; S. Iwai

doi:10.1103/PhysRevB.95.201105

Polarization selectivity of charge localization induced by a 7-fs nearly single-cycle light field in an organic metal

Y. Kawakami, Y. Yoneyama, T. Amano, H. Itoh, K. Yamamoto, Y. Nakamura, H. Kishida, T. Sasaki, S. Ishihara, Y. Tanaka, K. Yonemitsu, S. Iwai

Research output: Contribution to journal › Article › peer-review

9 Citations (Scopus)

Abstract

Polarization selectivity of light-field-induced charge localization was investigated in an organic metal α-(BEDT-TTF)2I3 with a triangular lattice. Dependences of transient reflectivity spectra on polarizations of the 7-fs pump and probe lights indicate that a short-range charge order (CO) is induced efficiently from the metallic phase for the pump polarization perpendicular to the 1010-type CO axis. A numerical solution of a time-dependent Schrödinger equation clarified that the 1010 CO is induced by field-induced re-distribution of charges cooperating with competing intersite Coulomb repulsions in the triangular lattice.

Original language	English
Article number	201105
Journal	Physical Review B
Volume	95
Issue number	20
DOIs	https://doi.org/10.1103/PhysRevB.95.201105
Publication status	Published - 2017 May 17
Externally published	Yes

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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Polarization selectivity of charge localization induced by a 7-fs nearly single-cycle light field in an organic metal. / Kawakami, Y.; Yoneyama, Y.; Amano, T.; Itoh, H.; Yamamoto, K.; Nakamura, Y.; Kishida, H.; Sasaki, T.; Ishihara, S.; Tanaka, Y.; Yonemitsu, K.; Iwai, S.

In: Physical Review B, Vol. 95, No. 20, 201105, 17.05.2017.

Research output: Contribution to journal › Article › peer-review

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title = "Polarization selectivity of charge localization induced by a 7-fs nearly single-cycle light field in an organic metal",

abstract = "Polarization selectivity of light-field-induced charge localization was investigated in an organic metal α-(BEDT-TTF)2I3 with a triangular lattice. Dependences of transient reflectivity spectra on polarizations of the 7-fs pump and probe lights indicate that a short-range charge order (CO) is induced efficiently from the metallic phase for the pump polarization perpendicular to the 1010-type CO axis. A numerical solution of a time-dependent Schr{\"o}dinger equation clarified that the 1010 CO is induced by field-induced re-distribution of charges cooperating with competing intersite Coulomb repulsions in the triangular lattice.",

author = "Y. Kawakami and Y. Yoneyama and T. Amano and H. Itoh and K. Yamamoto and Y. Nakamura and H. Kishida and T. Sasaki and S. Ishihara and Y. Tanaka and K. Yonemitsu and S. Iwai",

note = "Funding Information: This work was supported by JST CREST and JSPS KAKENHI Grants No. JP15H02100, No. JP16K05459, No. JP16K13814, No. JP26887003, No. JP25287080, No. JP26287070, No. JP17H02916.",

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AU - Kawakami, Y.

AU - Yoneyama, Y.

AU - Amano, T.

AU - Itoh, H.

AU - Yamamoto, K.

AU - Nakamura, Y.

AU - Kishida, H.

AU - Sasaki, T.

AU - Ishihara, S.

AU - Tanaka, Y.

AU - Yonemitsu, K.

AU - Iwai, S.

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N2 - Polarization selectivity of light-field-induced charge localization was investigated in an organic metal α-(BEDT-TTF)2I3 with a triangular lattice. Dependences of transient reflectivity spectra on polarizations of the 7-fs pump and probe lights indicate that a short-range charge order (CO) is induced efficiently from the metallic phase for the pump polarization perpendicular to the 1010-type CO axis. A numerical solution of a time-dependent Schrödinger equation clarified that the 1010 CO is induced by field-induced re-distribution of charges cooperating with competing intersite Coulomb repulsions in the triangular lattice.

AB - Polarization selectivity of light-field-induced charge localization was investigated in an organic metal α-(BEDT-TTF)2I3 with a triangular lattice. Dependences of transient reflectivity spectra on polarizations of the 7-fs pump and probe lights indicate that a short-range charge order (CO) is induced efficiently from the metallic phase for the pump polarization perpendicular to the 1010-type CO axis. A numerical solution of a time-dependent Schrödinger equation clarified that the 1010 CO is induced by field-induced re-distribution of charges cooperating with competing intersite Coulomb repulsions in the triangular lattice.

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