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2013 Fiscal Year Final Research Report

Quantum dynamical study of ultrafast dynamics in early processes of photoinduced phase transitions

Research Project

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Project/Area Number 23740232
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Condensed matter physics I
Research InstitutionUniversity of Tsukuba

Principal Investigator

MAESHIMA Nobuya  筑波大学, 数理物質系, 講師 (90390658)

Project Period (FY) 2011 – 2013
Keywords光物性 / 強相関系 / 光誘起相転移
Research Abstract

There are many materials which show so-called photoinduced phase transitions, macroscopic changes of electronic states induced by photoirradiation. In this study, we theoretically clarify physical properties of photoexcited states generated immediately after the photoirradiation and the subsequent dynamics. In particular, we carry out numerical analysis of the photoexcited states and dynamical properties of one-dimensional (1D) electron-lattice systems corresponding to quasi-1D organic compounds and a multi-band Hubbard model which is a minimal model of transition metal oxides.

  • Research Products

    (11 results)

All 2014 2013 2012 2011

All Journal Article (4 results) (of which Peer Reviewed: 4 results) Presentation (7 results)

  • [Journal Article] Spin and Orbital Correlations in Photoexcited States of Multi-Orbital Hubbard Models2014

    • Author(s)
      Hikaru Takenaka, Nobuya Maeshima and Ken-ichi Hino
    • Journal Title

      JPS Conference Proceedings

      Volume: (to be published)

    • Peer Reviewed
  • [Journal Article] Optical response of polarons and solitons in one-dimensional Peierls-Hubbard model2012

    • Author(s)
      Nobuya Maeshima, Kosuke Moriya, and Ken-ichi Hino
    • Journal Title

      J. Phys. Soc. Jpn

      Volume: 81 Pages: 104708_1-7

    • DOI

      10.1143/JPSJ.81.104708

    • Peer Reviewed
  • [Journal Article] Dimerization-induced spin-charge coupling in one-dimensional Mott insulators revealed by femtosecond reflection spectroscopy of Rb-tetracyanoquinodimethane salts2012

    • Author(s)
      H. Uemura, N. Maeshima, K. Yonemitsu, and H. Okamoto
    • Journal Title

      Phys. Rev. B

      Volume: 85 Pages: 125112_1-7

    • DOI

      10.1103/PhysRevB85.125112

    • Peer Reviewed
  • [Journal Article] Dynamical properties of photogenerated polarons in one-dimensional dimerized Mott Insulators2012

    • Author(s)
      K. Moriya, N. Maeshima and K.I. Hino
    • Journal Title

      Eur. Phys. J. B

      Volume: 85 Pages: 350_1-4

    • DOI

      10.1140/epjb/e2012-30690-0

    • Peer Reviewed
  • [Presentation] 2軌道縮退ハバード模型における光誘起ダイナミクス2014

    • Author(s)
      井本文裕,前島展也,日野健一
    • Organizer
      日本物理学会 第69回年次大会
    • Place of Presentation
      東海大学
    • Year and Date
      2014-03-29
  • [Presentation] 2軌道縮退ハバード模型における光励起状態のスピン・軌道相関II2013

    • Author(s)
      前島展也,竹中光,日野健一
    • Organizer
      日本物理学会 2013年秋季大会
    • Place of Presentation
      徳島大学
    • Year and Date
      2013-09-26
  • [Presentation] Spin and Orbital Correlations in Photoexcited States of Multi-Orbital Hubbard Models2013

    • Author(s)
      H. Takenaka, N. Maeshima, K. Hino
    • Organizer
      SCES2013
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2013-08-07
  • [Presentation] 2軌道縮退ハバード模型における光励起状態のスピン・軌道相関2013

    • Author(s)
      竹中光,前島展也,日野健一
    • Organizer
      日本物理学会 第68回年次大会
    • Place of Presentation
      広島大学
    • Year and Date
      2013-03-28
  • [Presentation] Dynamical properties of photogenerated polarons and solitons in one-dimensional dimerized Mott insulators2012

    • Author(s)
      Kosuke Moriya, Nobuya Maeshima, and Ken-ichi Hino1
    • Organizer
      EXCON 2012
    • Place of Presentation
      Groningen, the Netherlands
    • Year and Date
      2012-07-03
  • [Presentation] 擬一次元ハロゲン架橋金属錯体の光誘起ダイナミクスにおける鎖間相互作用の効果II2012

    • Author(s)
      齋藤陽平,前島展也,日野健一
    • Organizer
      日本物理学会 第67回年次大会
    • Place of Presentation
      関西学院大学
    • Year and Date
      2012-03-24
  • [Presentation] 擬一次元ハロゲン架橋金属錯体の光誘起ダイナミクスにおける鎖間相互作用の効果2011

    • Author(s)
      齋藤陽平,前島展也,日野健一
    • Organizer
      日本物理学会 2011年秋季大会
    • Place of Presentation
      富山大学
    • Year and Date
      2011-09-21

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Published: 2015-06-25  

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