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

Critical Phenomena, Phase Separation, and Structure Formation inStrongly Coupled Fine Particle(Dusty)Plasmas

Research Project

Project/Area Number 19540521
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Plasma science
Research InstitutionOkayama University

Principal Investigator

TOTSUJI Hiroo  Okayama University, 大学院・自然科学研究科, 教授 (40011671)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,030,000 (Direct Cost: ¥3,100,000、Indirect Cost: ¥930,000)
Fiscal Year 2008: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2007: ¥3,250,000 (Direct Cost: ¥2,500,000、Indirect Cost: ¥750,000)
Keywordsプラズマ物理 / 臨界現象と相分離 / 強結合微粒子プラズマ / 微粒子プラズマ / 微小重力
Research Abstract

微粒子プラズマにおいて, 微粒子間の結合が十分強くなると全系の等温圧縮率が発散し, 臨界現象が出現する可能性があることが熱力学関数の具体的な表式に基づいて示され, 無次元の特性パラメータを軸とする相図の上に臨界点の位置と相分離の様子が描かれた。また, そのための特性パラメータの値を実現する実験条件が求められた。さらに, 臨界点付近の密度揺動の増大が相図に対応して示された。この結果は, これまで実験では観測できないとされていた一成分プラズマの等温圧縮率の発散を観測する方法を与えた。

Report

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

    (17 results)

All 2009 2008 2007

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (9 results)

  • [Journal Article] Thermodynamic instability and the critical point of fine particle plasmas : enhancement of density fluctuations and experimental conditions for observation2009

    • Author(s)
      H. Totsuji
    • Journal Title

      ournal of Physics A : Mathematical and Theoretical Vol.42

      Pages: 214022-214030

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Thermodynamic instability and the critical point of fine particle plasmas : enhancement of density fluctuations and experimental conditions for observation2009

    • Author(s)
      H, Totsuji
    • Journal Title

      Journal of Physics A : Mathematical and Theoretical 42

      Pages: 214022214030-214022214030

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Thermodynamics of strongly coupled repulsive Yukawa particles in ambient neutralizing plasma : Thermodynamic instability andpossibility of observation in fine particle plasmas2008

    • Author(s)
      H. Totsuji
    • Journal Title

      Physics of Plasmas Vol.15

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Totsuji, Experimental Parameters of Fine Particle Plasmas Explicitly Expressed by Dimensionless Characteristic Parameters2008

    • Author(s)
      H. Totsuji
    • Journal Title

      Plasma and Fusion Research Vol.3

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Thermodynamic Instability in Strongly Coupled Fine Particle Plasmas and Critical Phenomena2008

    • Author(s)
      H. Totsuji
    • Journal Title

      Journal of Japan Society of Microgravity Application Vol.25

      Pages: 343-348

    • NAID

      10024268416

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Thermodynamics of strongly coupled repulsive Yukawa particles in ambient neutralizing plasma : Thermodynamic instability and possibility of observation in fine particle plasmas2008

    • Author(s)
      H. Totsuji
    • Journal Title

      Physics of Plasmas 15

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Experimental Parameters of Fine Particle Plasmas Explicitly Expressed by Dimensionless Characteristic Parameters2008

    • Author(s)
      H. Totsuji
    • Journal Title

      Plasma and Fusion Research 3

    • NAID

      130000263928

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Thermodynamic Instability in strongly Coupled Fine Particle Plasmas and Critical Phenomena2008

    • Author(s)
      H. Totsuii
    • Journal Title

      Journal of Japan Society of Microgravity Application 25

      Pages: 343-348

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Presentation] Critical Point of Fine Particle Plasmas and Density Fluctuations2008

    • Author(s)
      H. Totsuji
    • Organizer
      50th Annual Meeting of the Division of Plasma Physics of American Physical Society
    • Place of Presentation
      Dallas(U.S.A.)
    • Year and Date
      2008-11-19
    • Related Report
      2008 Final Research Report
  • [Presentation] Critical Point of Fine Particle Plasmas and Density Fluctuations2008

    • Author(s)
      H. Totsuji
    • Organizer
      50th Annual Meeting of the Division of Plasma Physics, American Physical Society
    • Place of Presentation
      Dallas, U.S.A.
    • Year and Date
      2008-11-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] Phase diagrams of strongly coupled Yukawa particles in deformable background and application to fine particle(dusty)plasmas2008

    • Author(s)
      H. Totsuji
    • Place of Presentation
      福岡
    • Year and Date
      2008-09-11
    • Related Report
      2008 Final Research Report
  • [Presentation] Phase diagrams of strongly coupled Yukawa particles in deformable background andapplication to fine particle (dusty) plasmas2008

    • Author(s)
      H. Totsuji
    • Organizer
      14th International Congress on Plasma Physics (ICPP2008)
    • Place of Presentation
      福岡
    • Year and Date
      2008-09-11
    • Related Report
      2008 Annual Research Report
  • [Presentation] Critical Phenomena in Strongly Coupled Fine Particle Plasmas2008

    • Author(s)
      H. Totsuji
    • Organizer
      35th European Physical Society Conference on Plasma Physics
    • Place of Presentation
      Crete(Greece)
    • Year and Date
      2008-06-13
    • Related Report
      2008 Final Research Report
  • [Presentation] Critical Phenomena in Strongly Coupled Fine Particle Plasmas2008

    • Author(s)
      H. Totsuji
    • Organizer
      35th European Physical Society Conference on Plasma Physics
    • Place of Presentation
      Crete, Greece
    • Year and Date
      2008-06-13
    • Related Report
      2008 Annual Research Report
  • [Presentation] 臨界点付近における微粒子プラズマの振る舞い2008

    • Author(s)
      東辻浩夫
    • Organizer
      日本物理学会 第63回年次大会
    • Place of Presentation
      東大阪市
    • Year and Date
      2008-03-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] Thermodynamic Instability in Strongly Coupled Fine Particle Plasmas and Critical Phenomena2007

    • Author(s)
      H. Totsuji
    • Organizer
      Third International Symposium on Physical Sciences in Space(3rd ISPS 2007)
    • Place of Presentation
      奈良市
    • Year and Date
      2007-10-23
    • Related Report
      2007 Annual Research Report
  • [Presentation] Observation of thermodynamic instability and critical phenomena in densefine-particle plasmas under microgravity2007

    • Author(s)
      H. Totsuji
    • Organizer
      International Symposium on Plasticity 2007
    • Place of Presentation
      Alaska
    • Year and Date
      2007-06-04
    • Related 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