• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Dynamics of supercooled liquids analyzed by multi-point correlations of density fluctuations

Research Project

Project/Area Number 19740263
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Biophysics/Chemical physics
Research InstitutionInstitute for Molecular Science

Principal Investigator

KIM Kang  Institute for Molecular Science, 理論・計算分子科学研究領域, 助教 (20442527)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥1,910,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥210,000)
Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2007: ¥1,000,000 (Direct Cost: ¥1,000,000)
Keywordsガラス転移 / 分子シミュレーション / 多体相関 / 分子動力学 / 計算機シミュレーション
Research Abstract

液体が凝固点以下の過冷却状態でもアモルファス構造が保持されるガラス転移の動的性質について、統計力学理論における液体論の知見を応用し密度揺らぎの多体相関関数による解析を提案した。この解析手法を用いて過冷却液体において特徴的な遅い緩和現象で発生する様々な密度揺らぎを解析し通常の2体相関では捉えることのできない情報を得ることができた。また通常のバルクな過冷却液体だけでなく非一様な拘束された系や非平衡状態である剪断流下にあるガラス状態に適用し、さらには多時間相関関数への拡張を新たに提案した。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • Research Products

    (13 results)

All 2009 2008 2007

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (11 results)

  • [Journal Article] Anisotropic Cooperative Structural Rearrangements in Sheared Supercooled Liquids2009

    • Author(s)
      古川亮、金鋼、斉藤真司、田中肇
    • Journal Title

      Physical Review Letters 102

      Pages: 16001-16001

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Anisotropic Cooperative Structural Rearrangements in Sheared Supercooled Liquids2009

    • Author(s)
      Akira Furukawa
    • Journal Title

      Physical Review Letters 102

      Pages: 16001-16001

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] 過冷却液体ダイナミクスの多時間相関関数による解析2009

    • Author(s)
      金鋼、斉藤真司
    • Organizer
      日本物理学会第64回年次大会
    • Place of Presentation
      立教大学
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Slow dynamics in random media : Type A-B and reentrant transitions2008

    • Author(s)
      金鋼、宮崎州正、斉藤真司
    • Organizer
      International Conference "Unifying Concepts in Glass Physics IV"
    • Place of Presentation
      京都大学
    • Year and Date
      2008-11-25
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] From glasses to Lorenz gases : A crossover of slow dynamics in random media2008

    • Author(s)
      宮崎州正、金鋼、斉藤真司
    • Organizer
      JSPS Japan-France Bilateral Joint Seminar 2008 "Frontiers of Glassy Physics"
    • Place of Presentation
      京都大学
    • Year and Date
      2008-11-20
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] ランダム媒体中のスローダイナミクス-ガラス転移から局在化転移へ-2008

    • Author(s)
      金鋼、宮崎州正、斉藤真司
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-20
    • Related Report
      2008 Final Research Report
  • [Presentation] ランダム媒体中のスローダイナミクス-ガラス転移から局在化転移へ--2008

    • Author(s)
      金鋼
    • Organizer
      日本物理学会2008年秋季大会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-20
    • Related Report
      2008 Annual Research Report
  • [Presentation] Slow dynamics of fluids in disordered media : Molecular dynamics study2007

    • Author(s)
      金鋼、宮崎州正、斉藤真司
    • Organizer
      Symposium on the 50th Anniversary of the Alder transition
    • Place of Presentation
      ウェルシティ金沢
    • Year and Date
      2007-11-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Slow dynamics of fluids in disordered media:Molecular dynamics study2007

    • Author(s)
      Kang Kim
    • Organizer
      Symposium on the 50th Anniversary of the Alder transition
    • Place of Presentation
      ウェルシティ金沢
    • Year and Date
      2007-11-29
    • Related Report
      2007 Annual Research Report
  • [Presentation] Slow dynamics of fluids in disordered media : Molecular dynamics study2007

    • Author(s)
      金鋼、宮崎州正、斉藤真司
    • Organizer
      Fukuoka International Workshop "Unifying Concepts in Glass Transition"
    • Place of Presentation
      九州大学
    • Year and Date
      2007-11-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Slow dynamics of fluids in disordered media:Molecular dynamics study2007

    • Author(s)
      Kang Kim
    • Organizer
      Fukuoka International Workshop "Unifying Concepts in Glass Transition"
    • Place of Presentation
      九州大学
    • Year and Date
      2007-11-22
    • Related Report
      2007 Annual Research Report
  • [Presentation] 過冷却液体のレオロジー2007

    • Author(s)
      古川亮、金鋼、新谷寛、斉藤真司、田中肇
    • Organizer
      日本物理学会第62回年次大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-24
    • Related Report
      2008 Final Research Report
  • [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
      日本物理学会第62回年次大会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-24
    • Related Report
      2008 Final Research Report 2007 Annual Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi