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2010 Fiscal Year Final Research Report

Non-equilibrium phase transition in strongly correlated electron systems

Research Project

  • PDF
Project/Area Number 20740188
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Condensed matter physics II
Research InstitutionThe University of Tokyo

Principal Investigator

OKA Takashi  The University of Tokyo, 大学院・理学系研究科, 助教 (50421847)

Project Period (FY) 2008 – 2010
Keywords強相関系 / 非平衡現象
Research Abstract

I developed new theoretical methods (non-equilibrium dynamical mean field theory) to treat non-equilibrium phenomena in strongly correlated electron systems. (10 original papers, 1 chapter of a book, 2 Japanese articles)

  • Research Products

    (30 results)

All 2011 2010 2009 2008 Other

All Journal Article (10 results) (of which Peer Reviewed: 10 results) Presentation (16 results) Book (3 results) Remarks (1 results)

  • [Journal Article] Dielectric breakdown of Mott insulators in dynamical mean-field theory2010

    • Author(s)
      M.Eckstein, T.Oka, P.Werner
    • Journal Title

      Phys.Rev.Lett. 105

      Pages: 146404

    • Peer Reviewed
  • [Journal Article] Nonequilibrium magnetic and superconducting phases in the two-dimensional Hubbard model coupled to electrodes2010

    • Author(s)
      T.Oka, H.Aoki
    • Journal Title

      Phys.Rev.B 82

      Pages: 0645160-1-"064516-5"

    • Peer Reviewed
  • [Journal Article] Dielectric Breakdown in a Mott Insulator : Many-body Schwinger-Landau-Zener Mechanism studied with a Generalized Bethe Ansatz.2010

    • Author(s)
      T.Oka, H.Aoki
    • Journal Title

      Phys.Rev.B 81

      Pages: 033103

    • Peer Reviewed
  • [Journal Article] Realization of tight-binding photonic bands in metallophotonic waveguide networks with application to a flat band in kagome lattice2010

    • Author(s)
      S.Endo, T.Oka, H.Aoki
    • Journal Title

      Phys.Rev.B 81

      Pages: 113104-1-"113104-4"

    • Peer Reviewed
  • [Journal Article] Weak-coupling quantum Monte Carlo calculations on the Keldysh contour : theory and application to the current-voltage characteristics of the Anderson model2010

    • Author(s)
      P.Werner, T.Oka, M.Eckstein, A.J.Millis
    • Journal Title

      Phys.Rev.B 81

      Pages: 035108

    • Peer Reviewed
  • [Journal Article] Nonequilibrium steady state in photoexcited correlated electrons with dissipation.2009

    • Author(s)
      N.Tsuji, T.Oka, H.Aoki
    • Journal Title

      Phys.Rev.Lett. 103

      Pages: 047403

    • Peer Reviewed
  • [Journal Article] Photovoltaic Hall effect in graphene. selected in Virtual Journal of Nanoscale Science & Technology2009

    • Author(s)
      T. Oka, H. Aoki
    • Journal Title

      Phys.Rev.B Erratum Phys.Rev.B 79

      Pages: 081406(R),169901

    • Peer Reviewed
  • [Journal Article] Diagrammatic Monte Carlo simulation of non-equilibrium systems.2009

    • Author(s)
      P.Werner, T.Oka, A.J.Millis
    • Journal Title

      Phys.Rev.B 79

      Pages: 035320

    • Peer Reviewed
  • [Journal Article] Photo-induced Tomonaga-Luttinger-like liquid in a Mott insulator.2008

    • Author(s)
      T.Oka, H.Aoki
    • Journal Title

      Phys.Rev.B 78

      Pages: 241104(R)

    • Peer Reviewed
  • [Journal Article] Correlated electron systems periodically driven out of equilibrium-Floquet+DMFT formalism.2008

    • Author(s)
      N.Tsuji, T.Oka, H.Aoki
    • Journal Title

      Phys.Rev.B 78

      Pages: 235124

    • Peer Reviewed
  • [Presentation] Possible confinement phase in carbon-nanotubes and the extended massive Schwinger model2011

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      APS March Meeting
    • Place of Presentation
      Dallas USA.
    • Year and Date
      2011-03-24
  • [Presentation] Strong field physics in a strongly correlated system2011

    • Author(s)
      Takashi Oka
    • Organizer
      DMQS2011
    • Place of Presentation
      Tokyo Japan.
    • Year and Date
      2011-02-14
  • [Presentation] Strong field physics in a strongly correlated system2010

    • Author(s)
      Takashi Oka
    • Organizer
      PIF2010
    • Place of Presentation
      Tsukuba, Japan.
    • Year and Date
      2010-11-25
  • [Presentation] All optical measurement proposed for the photovoltaic Hall effect2010

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      HMF19
    • Place of Presentation
      Fukuoka Japan.
    • Year and Date
      2010-08-04
  • [Presentation] Mott insulators in strong electric fields studied by the generalized Bethe ansatz2010

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      APS March Meeting
    • Place of Presentation
      Portland, USA.
    • Year and Date
      2010-03-23
  • [Presentation] 強相関系光励起による物性制御とその展望2010

    • Author(s)
      岡隆史
    • Organizer
      日本物理学会「半導体のキャリアドーピングと光」シンポジウム
    • Place of Presentation
      岡山
    • Year and Date
      2010-03-20
  • [Presentation] Photo-induced Hall effect in graphene - effect of boundary types2009

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      Yamada Conference LXIII : PIPT 2008 J.Phys.: Conf.Ser.148, 012061
    • Place of Presentation
      Osaka Japan
    • Year and Date
      2009-11-11
  • [Presentation] 強電場中の一次元強相関電子系の非平衡現象と時間依存DMRG2009

    • Author(s)
      岡隆史
    • Organizer
      日本物理学会「密度行列繰り込み群(DMRG)の新展開」シンポジウム
    • Place of Presentation
      熊本
    • Year and Date
      2009-09-25
  • [Presentation] Non-equilibrium Superconducting Transition in Correlated Electron Systems2009

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      ISCOM09
    • Place of Presentation
      Niseko, Japan.
    • Year and Date
      2009-09-15
  • [Presentation] Non-equilibrium superconductivity in a correlated electron system studied with the Keldysh+FLEX approach2009

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      9th International Conference on Materials and Mechanisms of Superconductivity
    • Place of Presentation
      Tokyo, Japan.
    • Year and Date
      2009-09-09
  • [Presentation] Photovoltaic Berry curvature in the honeycomb lattice2009

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      ICM2009
    • Place of Presentation
      Karlsruhe, Germany.
    • Year and Date
      2009-07-27
  • [Presentation] Photovoltaic Hall effect and its topological origin2009

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      TOPO09
    • Place of Presentation
      Dresden, Germany.
    • Year and Date
      2009-07-13
  • [Presentation] Photovoltaic Hall effect in Dirac systems - application to graphene2009

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      APS March Meeting
    • Place of Presentation
      Pittsburgh USA.
    • Year and Date
      2009-03-18
  • [Presentation] Photo-induced Tomonaga-Luttinger-like liquid in a one-dimensional Mott insulator2008

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      Workshop on Topological Aspects of Solid State Physics
    • Place of Presentation
      Kyoto Japan.
    • Year and Date
      20080602-20080622
  • [Presentation] Anomalous quantum materials in strong electric fields - Mott insulator and graphene2008

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      Int.Symposium on Anomalous Quantum Materials
    • Place of Presentation
      Tokyo Japan.
    • Year and Date
      2008-11-10
  • [Presentation] Photo-induced metallic liquid in a one-dimensional Mott insulator in AC fields2008

    • Author(s)
      Takashi Oka, Hideo Aoki
    • Organizer
      LT25 J.Phys.: Conf.Ser.150, 042152
    • Place of Presentation
      Amsterdam Netherland
    • Year and Date
      2008-08-09
  • [Book] 表面科学(グラフェンのトポロジカルな性質とその光制御)322011

    • Author(s)
      岡隆史、青木秀夫
    • Total Pages
      196-201
    • Publisher
      日本表面科学会
  • [Book] 光学(グラフェンにおける光誘起ホール効果とカゴメ・フォトニック結晶における光の局在)392010

    • Author(s)
      岡隆史、青木秀夫
    • Total Pages
      445-452
    • Publisher
      日本光学会誌
  • [Book] Nonequilibrium Quantum Breakdown in a Strongly Correlated Electron System(in Quantum and Semi-classical Percolation and Breakdown in Disordered Solids)(edited by A.K.Sen, K.K.Bardhan, B.K.Chakrabarti)Lecture Note in Physics Vol.7622008

    • Author(s)
      T.Oka, H.Aoki
    • Publisher
      Springer-Verlag
  • [Remarks] ホームページ等

    • URL

      http://cms.phys.s.u-tokyo.ac.jp/~oka

URL: 

Published: 2012-02-13   Modified: 2016-04-21  

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