Glass transition and dynamic correlation length

• Project/Area Number: 19540432
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Biophysics/Chemical physics
• Research Institution: University 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
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000); Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2007: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
• 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

• [Journal Article] On the role of hydrodynamic interactions in colloidal gelation (2008)
  • Author(s): R. Yamamoto, K. Kim, Y. Nakayama, K. Miyazaki, and D. R. Reichman
  • Journal Title: Journal of Physical Society of Japan 77
  • NAID: 110006914850
  • Peer Reviewed
• [Journal Article] Nonlinear Susceptibility and Dynamical Length Scale of Glassy Systems (2008)
  • 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] On the role of hydrodynamic interactions in colloidal gelation (2008)
  • Author(s): R. Yamamoto
  • Journal Title: Journal of Phys. Soc. Japan 77
  • Peer Reviewed
• [Journal Article] Nonlinear Susceptibihty and Dynamical Length Scale of Glassy Systems (2008)
  • Author(s): K.Miyazaki
  • Journal Title: Proceedings of 5th International Workshop on Comlex Systems 982 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
  • NAID: 110006381141
• [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
  • NAID: 110006279611
  • 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 materials (2007)
  • Author(s): H. M. Wyss, K. Miyazaki, J. Mattsson, Z. Hu, D. R. Reichman, and D. A. Weitz
  • Journal Title: Physical Review Letters 98
  • NAID: 120007137846
  • Peer Reviewed
• [Journal Article] Spontaneous and induced dynamic correlations in glass formers. II. Model calculations and comparison to numerical simulations (2007)
  • Author(s): L. Berthier, G. Biroli, J.-P. Bouchaud, W. Kob, K. Miyazaki, and D. R. Reichman
  • Journal Title: Journal of Chemical Physics 126
  • NAID: 120007137844
  • Peer Reviewed
• [Journal Article] Spontaneous and induced dynamic fluctuations in glass formers. I. General results and dependence on ensemble and dynamics (2007)
  • Author(s): L. Berthier, G. Biroli, J.-P. Bouchaud, W. Kob, K. Miyazaki, D. R. Reichman
  • Journal Title: Journal of Chemical Physics 126
  • NAID: 120007137845
  • Peer Reviewed
• [Journal Article] Spontaneous and induced dynamic fluctuations in glass formers.I.Generalresults and dependence on ensemble and dynamics (2007)
  • Author(s): L.Berthier
  • Journal Title: Journal of Chemical Physics 126
  • Peer Reviewed
• [Journal Article] Spontaneous and induced dynamic correlations in glass formers.II.ModelcalcUlations and comparisoll to numerical simulations (2007)
  • Author(s): L.Berthier
  • Journal Title: Journal of Chemical Physics 126
  • Peer Reviewed
• [Journal Article] Strain-Rate Frequency Superposition-A rheological probe of structuralrelaxation in soft materials (2007)
  • Author(s): H.M.Wyss
  • Journal Title: Physical Review Letters 98
  • Peer Reviewed
• [Journal Article] ガラス転移理論の新展開-動的不均-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] 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
  • NAID: 110006381141
• [Presentation] Glass transition in random media (2009)
  • Author(s): 宮崎州正
  • Organizer: つくばソフトマター研究会
  • Place of Presentation: 茨城県つくば市
  • Year and Date: 2009-02-24
• [Presentation] Glass transition in random media (2009)
  • Author(s): K. Miyazaki
  • Organizer: つくばソフトマター研究会
  • Place of Presentation: つくば
• [Presentation] Recent Progresses and Open Problems in Mode-Coupling Theory of Glass Transition" (2008)
  • Author(s): K. Miyazaki
  • Organizer: Unifying Concepts in Glass. Physics IV (UCGP 2008)
  • Place of Presentation: 京都大学
  • Year and Date: 2008-11-25
• [Presentation] From glasses to Lorenz gases: A crossover of slow-dynamics-in random media (2008)
  • Author(s): K. Miyazaki
  • Organizer: JSPS Japan-France Bilateral Joint Seminar 2008 "Frontiers of Glassy Physics"
  • Place of Presentation: 京都市
  • Year and Date: 2008-11-20
• [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] 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: 茨城県つくば市
  • Year and Date: 2008-10-17
• [Presentation] ランダム媒体中のスロ-ダイナミクスーガラス転移から局在転移へ- (2008)
  • Author(s): 金鋼
  • Organizer: 日本物理学会
  • Place of Presentation: 岩手大学
  • Year and Date: 2008-09-20
• [Presentation] Comments and questions on "Bifurcation Scenario of Jamming Transition" (Discussant for Prof. S. Sasa's talk) (2008)
  • Author(s): K. Miyazaki
  • Organizer: Dynamical heterogeneities in glasses, colloids and granular media
  • Place of Presentation: Leiden, the Netherlands
  • Year and Date: 2008-08-29
• [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: 近畿大学
  • Year and Date: 2008-03-26
• [Presentation] ガラス転移とモード結合理論 (2008)
  • Author(s): 宮崎 州正
  • Organizer: 京都大学数理解析研究所共同研究集会「乱流研究の展望:ブレークスルーを求めて」
  • Place of Presentation: 京都大学
  • Year and Date: 2008-01-18
• [Presentation] Recent Progresses and Open Problems in Mode-Coupling Theory of Glass Transition (2008)
  • Author(s): K. Miyazaki
  • Organizer: Unifying Concepts in Glass Physics IV (UCGP2008)
  • Place of Presentation: Kyoto
• [Presentation] From glasses to Lorenz gases : A crossover of slow dynamics in random media (2008)
  • Author(s): K. Miyazaki
  • Organizer: JSPS Japan- France Bilateral Joint Seminar 2008 "Frontiers of Glassy Physics"
  • Place of Presentation: Kyoto
• [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
• [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
• [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
• [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
• [Presentation] Mode-Coupling Theory and Glass Transition:Recent progresses (2007)
  • Author(s): 宮崎 州正
  • Organizer: Symposium on the 50th Anniversary of the Alder transition
  • Place of Presentation: 金沢市
  • Year and Date: 2007-11-30
• [Presentation] Recent Progresses on Mode-Couphng Theory for Glass Transition (2007)
  • Author(s): 宮崎 州正
  • Organizer: Fukuoka International Wbrkshop on Uniill Concepts of Glass Transition
  • Place of Presentation: 九州大学
  • Year and Date: 2007-11-23
• [Presentation] Nonlinear susceptib- ilty and dynamical length scale of glassy systems (2007)
  • 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 susceptibility and dynamical length scale of glassy sstems (2007)
  • Author(s): 宮崎 州正
  • Organizer: The 5th International Wbrkshop on Complex Sstems
  • Place of Presentation: 仙台市
  • Year and Date: 2007-09-25
• [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
  • Organizer: 日本物理学会
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-09-24
• [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: 北海道大学
  • Year and Date: 2007-09-24
• [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
  • Place of Presentation: 北海道大学
  • Year and Date: 2007-09-22
• [Presentation] Nonlinear susceptibility and dynamical length scale of glassy materials (2007)
  • Author(s): 宮崎 州正
  • Organizer: SOCOBIM2007
  • Place of Presentation: イタリア・シチリア島
  • Year and Date: 2007-09-18
• [Presentation] Nonlinear rheology of soft glassy materials (2007)
  • 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 rheology of soft glassy materials (2007)
  • Author(s): 宮崎 州正
  • Organizer: The YITP workshop on "New Frontiers in Colloidal Physics:A Bridge between Micro and Macroscpic Concepts in Soft Matter"
  • Place of Presentation: 京都大学
  • Year and Date: 2007-07-27
• [Presentation] Nonlinear susceptibility and dynamical length scale of glassy materials (2007)
  • 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] Nonlinear rheology of soft-glassy materials -mode-coupling approach (2007)
  • Author(s): 宮崎 州正
  • Organizer: StatPhys23
  • Place of Presentation: イタリア・ジェノバ
  • 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
• [Presentation] Mode-Coupling Theory and Glass Transition : Recent progresses (2007)
  • Author(s): K. Miyazaki
  • Organizer: Symposium on the 50th Anniversary of the Alder transition
  • Place of Presentation: 金沢市
• [Presentation] Recent Progresses on Mode Coupling Theory for Glass Transition (2007)
  • Author(s): K. Miyazaki
  • Organizer: Fukuoka International Workshop on Unifying Concepts of Glass Transition
  • Place of Presentation: 福岡市
• [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
• [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
• [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
• [Remarks]
  • URL: http://www.px.tsukuba.ac.jp/home/tcm/miyazaki/miyazaki-J.html
• [Remarks]
  • URL: http://www.px.tsukuba.ac.jp/home/tcm/miyazaki/publication-j.html
• [Remarks]
  • URL: http://www.px.tsukuba.ac.jp/home/tcm/miyazaki/miyazaki-J.html