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2008 Fiscal Year Final Research Report

Glass transition and dynamic correlation length

Research Project

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Project/Area Number 19540432
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Biophysics/Chemical physics
Research InstitutionUniversity of Tsukuba (2008)
Kochi University of Technology (2007)

Principal Investigator

MIYAZAKI Kunimasa  University of Tsukuba, 大学院・数理物質科学研究科, 准教授 (40449913)

Project Period (FY) 2007 – 2008
Keywords化学物理 / 統計力学 / 物性基礎論 / ガラス転移 / 臨界現象 / モード結合理論 / 動的相関長
Research Abstract

ガラス転移は、見かけ上、熱揺らぎの相関は何ら異常を示さないにもかかわらず、緩和時間や粘性係数は発散をするという点で、普通の臨界現象とは非常に異なっている。最近の実験と数値実験により、この緩和時間の発散の陰には、動的な不均一性と、その不均一性に起因する動的相関長が存在することがわかってきた。この動的相関と遅いダイナミクスの関係、そしてガラスと同じくアモルファス状態を作るがその起源が大きく異なると思われているゲルの動的相関に注目した研究を行った。

  • Research Products

    (27 results)

All 2009 2008 2007 Other

All Journal Article (8 results) (of which Peer Reviewed: 6 results) Presentation (18 results) Remarks (1 results)

  • [Journal Article] On the role of hydrodynamic interactions in colloidal gelation2008

    • Author(s)
      R. Yamamoto, K. Kim, Y. Nakayama, K. Miyazaki, and D. R. Reichman
    • Journal Title

      Journal of Physical Society of Japan 77

      Pages: 084804-1-084804-4

    • Peer Reviewed
  • [Journal Article] Nonlinear Susceptibility and Dynamical Length Scale of Glassy Systems2008

    • Author(s)
      K. Miyazaki, G. Biroli, J-P. Bouchaud, and D. R. Reichman
    • Journal Title

      In COMPLEX SYSTEMS : 5th International Workshop on Complax Systems, Eds. M. Tokuyama, I. Oppenheim, and H. Nishiyama

      Pages: 173-176

    • Peer Reviewed
  • [Journal Article] ガラス転移とモード結合理論-最近の発展と課題-2007

    • Author(s)
      宮崎州正
    • Journal Title

      物性研究 88

      Pages: 621-720

  • [Journal Article] ガラス転移理論の新展開-動的不均一性とモード結合理論-2007

    • Author(s)
      宮崎州正
    • Journal Title

      日本物理学会誌 62

      Pages: 431-434

    • Peer Reviewed
  • [Journal Article] ガラスの非線形レオロジーの微視的理論-モード結合理論によるアプローチ-2007

    • Author(s)
      宮崎州正
    • Journal Title

      物性研究 88

      Pages: 360-367

  • [Journal Article] Strain-Rate Frequency Superposition - A rheological probe of structural relaxation in soft materials2007

    • Author(s)
      H. M. Wyss, K. Miyazaki, J. Mattsson, Z. Hu, D. R. Reichman, and D. A. Weitz
    • Journal Title

      Physical Review Letters 98

      Pages: 238303-1-238303-4

    • Peer Reviewed
  • [Journal Article] Spontaneous and induced dynamic correlations in glass formers. II. Model calculations and comparison to numerical simulations2007

    • Author(s)
      L. Berthier, G. Biroli, J.-P. Bouchaud, W. Kob, K. Miyazaki, and D. R. Reichman
    • Journal Title

      Journal of Chemical Physics 126

      Pages: 184504-1-184504-21

    • Peer Reviewed
  • [Journal Article] Spontaneous and induced dynamic fluctuations in glass formers. I. General results and dependence on ensemble and dynamics2007

    • Author(s)
      L. Berthier, G. Biroli, J.-P. Bouchaud, W. Kob, K. Miyazaki, D. R. Reichman
    • Journal Title

      Journal of Chemical Physics 126

      Pages: 184503-1-184503-21

    • Peer Reviewed
  • [Presentation] Glass transition in random media2009

    • Author(s)
      K. Miyazaki
    • Organizer
      つくばソフトマター研究会
    • Place of Presentation
      つくば
    • Year and Date
      20090223-24
  • [Presentation] Recent Progresses and Open Problems in Mode-Coupling Theory of Glass Transition2008

    • Author(s)
      K. Miyazaki
    • Organizer
      Unifying Concepts in Glass Physics IV (UCGP2008)
    • Place of Presentation
      Kyoto
    • Year and Date
      20081125-28
  • [Presentation] From glasses to Lorenz gases : A crossover of slow dynamics in random media2008

    • Author(s)
      K. Miyazaki
    • Organizer
      JSPS Japan- France Bilateral Joint Seminar 2008 "Frontiers of Glassy Physics"
    • Place of Presentation
      Kyoto
    • Year and Date
      20081119-22
  • [Presentation] ランダム媒質中のスローダイナミクス-ガラス転移から局在転移へ2008

    • Author(s)
      金鋼, 宮崎州正, 斉藤真司
    • Organizer
      日本物理学会
    • Place of Presentation
      盛岡市
    • Year and Date
      20080920-23
  • [Presentation] Comments and questions on "Bifurcation Scenario of Jamming Transition"2008

    • Author(s)
      K. Miyazaki
    • Organizer
      Dynamical heterogeneities in glasses, colloids and granular media(Discussant for Prof. S. Sasa's talk)
    • Place of Presentation
      Leiden, the Netherlands
    • Year and Date
      20080825-0950
  • [Presentation] 1次元拡散問題とモード結合理論"2008

    • Author(s)
      宮崎州正
    • Organizer
      日本物理学会
    • Place of Presentation
      大阪市
    • Year and Date
      20080322-26
  • [Presentation] ガラス転移とモード結合理論2008

    • Author(s)
      K. Miyazaki
    • Organizer
      乱流研究の展望 : ブレークスルーを求めて(京都大学数理解析研究所共同研究集会)
    • Place of Presentation
      京都市
    • Year and Date
      20080116-18
  • [Presentation] 非平衡統計力学の新たな展開2008

    • Author(s)
      宮崎州正
    • Organizer
      第44回熱測定討論会
    • Place of Presentation
      つくば市
    • Year and Date
      2008-10-17
  • [Presentation] Mode-Coupling Theory and Glass Transition : Recent progresses2007

    • Author(s)
      K. Miyazaki
    • Organizer
      Symposium on the 50th Anniversary of the Alder transition
    • Place of Presentation
      金沢市
    • Year and Date
      20071129-30
  • [Presentation] Recent Progresses on Mode Coupling Theory for Glass Transition2007

    • Author(s)
      K. Miyazaki
    • Organizer
      Fukuoka International Workshop on Unifying Concepts of Glass Transition
    • Place of Presentation
      福岡市
    • Year and Date
      20071122-24
  • [Presentation] コロイドのゲル化に現れる動的不均一性の数理モデル2007

    • Author(s)
      宮崎州正
    • Organizer
      日本物理学会
    • Place of Presentation
      札幌市
    • Year and Date
      20070921-24
  • [Presentation] 多孔質媒体中のガラス転移 : ガラス転移とローレンツガスのクロスオーバー2007

    • Author(s)
      金鋼, 宮崎州正, 斉藤真司
    • Organizer
      日本物理学会
    • Place of Presentation
      札幌市
    • Year and Date
      20070921-24
  • [Presentation] ガラス転移における動的相関長の微視的理論2007

    • Author(s)
      宮崎州正
    • Organizer
      日本物理学会,若手奨励賞講演
    • Place of Presentation
      札幌市
    • Year and Date
      20070921-24
  • [Presentation] Nonlinear susceptib- ilty and dynamical length scale of glassy systems2007

    • Author(s)
      K. Miyazaki
    • Organizer
      The 5th International Workshop on Complex Systems
    • Place of Presentation
      仙台市
    • Year and Date
      2007-09-25
  • [Presentation] Nonlinear rheology of soft glassy materials2007

    • Author(s)
      K. Miyazaki
    • Organizer
      The YITP workshop on "New Frontiers in Colloidal Physics : A Bridge between Micro- and Macroscpic Concepts in Soft Matter
    • Place of Presentation
      京都市
    • Year and Date
      2007-07-27
  • [Presentation] Nonlinear susceptibility and dynamical length scale of glassy materials2007

    • Author(s)
      K. Miyazaki, G. Biroli, J-P. Bouchaud,and D. R. Reichman
    • Organizer
      SOCOBIM2007
    • Place of Presentation
      シチリア島
    • Year and Date
      2007-07-18
  • [Presentation] Nonlinear rheology of soft-glassy materials -mode-coupling approach-2007

    • Author(s)
      K. Miyazaki, Hans M. Wyss, David A. Weitz,and David R. Reichman
    • Organizer
      StatPhys 23
    • Place of Presentation
      Genova
    • Year and Date
      2007-07-12
  • [Presentation] ガラス転移における動的相関-モード結合理論によるアプローチ-2007

    • Author(s)
      宮崎州正
    • Organizer
      特定領域研究第2回領域研究会
    • Place of Presentation
      米沢市
    • Year and Date
      2007-06-23
  • [Remarks]

    • URL

      http://www.px.tsukuba.ac.jp/home/tcm/miyazaki/miyazaki-J.html

URL: 

Published: 2010-06-10   Modified: 2016-04-21  

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