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Toward effective description of nonequilibrium phenomena

Research Project

Project/Area Number 18740240
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeSingle-year Grants
Research Field Mathematical physics/Fundamental condensed matter physics
Research InstitutionGakushuin University (2008)
The University of Tokyo (2006-2007)

Principal Investigator

KOMATSU Teruhisa  Gakushuin University, 理学部・物理学科, 講師 (70348499)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,800,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥300,000)
Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2007: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2006: ¥1,400,000 (Direct Cost: ¥1,400,000)
Keywords非平衡 / 非線形物理学 / 定常状態 / 熱力学 / 非平衡定常状態 / 統計力学 / 過剰エントロピー生成 / 線形応答理論 / 定常分布 / 軌道情報 / 有効記述 / 分子機械
Research Abstract

熱が流れるといった典型的非平衡現象についての研究を行い、物理的基礎に関わる一連の成果を得た。具体的には、熱ラチェットモデルにおける熱輸送機構の単純な猫像、分子を分別するくらい小さいスケールでの一般的な統計的性質、分子集団という大きいスケールで大事になる物理量の候補を与えた。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (17 results)

All 2009 2008 2007 2006

All Journal Article (10 results) (of which Peer Reviewed: 8 results) Presentation (7 results)

  • [Journal Article] Representation of Nonequilibrium Steady States in Large Mechanical Systems2009

    • Author(s)
      Teruhisa S. Komatsu, Naoko Nakagawa, Shin-Ichi Sasa, and Hal Tasaki
    • Journal Title

      J. Stat. Phys. 134

      Pages: 401-423

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Representation of Nonequilibrium Steady States in Large Mechanical Systems2009

    • Author(s)
      小松輝久
    • Journal Title

      J. Stat. Phys 134

      Pages: 401-423

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Expression for the Stationary Distribution in Nonequilibrium Steady States2008

    • Author(s)
      Teruhisa S. Komatsu and Naoko Nakagawa
    • Journal Title

      Phys. Rev. Lett. 100

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Steady-State Thermodynamics for Heat Conduction: Microscopic Derivation2008

    • Author(s)
      Teruhisa S. Komatsu, Naoko Nakagawa, Shin-ichi Sasa, and Hal Tasaki
    • Journal Title

      Phys. Rev. Lett 100

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Steady-State Thermodynamics for Heat Conduction : Microscopic Derivation2008

    • Author(s)
      小松輝久
    • Journal Title

      Phys. Rev. Lett 100

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Expression for the Stationary Distribution in Nonequilibrium Steady States2008

    • Author(s)
      Teruhisa S. Komatsu
    • Journal Title

      Physical Review Letters 100

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] A heat pump at a molecular scale controlled by a mechanical force2006

    • Author(s)
      Naoko Nakagawa and Teruhisa S. Komatsu
    • Journal Title

      Europhysics Letters 75

      Pages: 22-28

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Hidden heat transfer in equilibrium states implies directed motion in nonequilibrium states2006

    • Author(s)
      Teruhisa S. Komatsu and Naoko Nakagawa
    • Journal Title

      Phys. Rev. E 73

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] A heat pump at a molecular scale controlled by a mechanical force2006

    • Author(s)
      Naoko Nakagawa
    • Journal Title

      Europhysics Letters 75・1

      Pages: 22-22

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Hidden heat transfer in equilibrium states implies directed motion in nonequilibrium states2006

    • Author(s)
      Teruhisa S.Komatsu
    • Journal Title

      Physical Review E 73

    • Related Report
      2006 Annual Research Report
  • [Presentation] 非平衡定常状態における定常分布から熱力学表現へ2008

    • Author(s)
      小松輝久
    • Organizer
      日本物理学会
    • Place of Presentation
      岩手大学
    • Year and Date
      2008-09-21
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] 非平衡定常状態の測度と過剰熱流22008

    • Author(s)
      小松輝久、中川尚子、佐々真一、田崎晴明
    • Organizer
      日本物理学会
    • Place of Presentation
      近畿大学
    • Year and Date
      2008-03-24
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 非平衡定常状態の測度と過剰熱流2007

    • Author(s)
      小松輝久、中川尚子
    • Organizer
      日本物理学会
    • Place of Presentation
      北海道大学
    • Year and Date
      2007-09-21
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] Nonequilibrium steady states maintained by multiple heat baths2007

    • Author(s)
      T. S. Komatsu, N. Nakagawa
    • Organizer
      workshop "kT log2 Fluctuation Theorems and the Physics of Information"
    • Place of Presentation
      Segovia, Spain
    • Related Report
      2008 Final Research Report
  • [Presentation] 化学機関における方向性運動とエネルギー流2006

    • Author(s)
      小松輝久,中川尚子
    • Organizer
      日本物理学会
    • Place of Presentation
      千葉大学
    • Year and Date
      2006-09-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Hidden heat transfer in equilibrium states implies directed motion in nonequilibrium states2006

    • Author(s)
      T. S. Komatsu, N. Nakagawa
    • Organizer
      workshop Physics of Molecular Machines
    • Place of Presentation
      Les Houches, France
    • Related Report
      2008 Final Research Report
  • [Presentation] A working mechanism of molecular heat engines and heat pumps2006

    • Author(s)
      T. S. Komatsu, N. Nakagawa
    • Organizer
      workshop Finite Time Thermodynamics
    • Place of Presentation
      UCSD, San Diego, USA
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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