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The nuclear equation of state for supernova simulations based on the realistic nuclear forces

Research Project

Project/Area Number 18540291
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionWaseda University

Principal Investigator

TAKANO Masatoshi  Waseda University, 理工学術院, 教授 (00257198)

Co-Investigator(Kenkyū-buntansha) 親松 和浩  愛知淑徳大学, 現代社会学部, 教授 (10262883)
住吉 光介  沼津工業高等専門学校, 教養科, 准教授 (30280720)
山田 章一  早稲田大学, 理工学術院, 教授 (80251403)
Co-Investigator(Renkei-kenkyūsha) OYAMATSU Kazuhiro  愛知淑徳大学, 現代社会学部, 教授 (10262883)
SUMIYOSHI Kohsuke  沼津工業高等専門学校, 教養科, 准教授 (30280720)
YAMADA Shoichi  早稲田大学, 理工学術院, 教授 (80251403)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,280,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥480,000)
Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2007: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2006: ¥1,200,000 (Direct Cost: ¥1,200,000)
Keywords核物質状態方程式 / 変分法 / 中性子星 / 超新星爆発 / 一様核物質 / 状態方程式 / 反応拡散方程式 / 正値定常解 / 写像度理論 / 分岐理論 / 非線形拡散 / Lotka-Volterra型競合モデル
Research Abstract

超新星爆発シミュレーションに適用可能な核物質状態方程式を、現実的核力から出発した多体計算に基づいて作成する事を目指し、その基礎となる研究を行なった。まず、絶対零度および有限温度一様核物質の状態方程式を、変分法により作成した。そしてこの結果を用いて、原子核の質量および大きさに関する大局的経験値を再現するような、非一様核物質状態方程式作成方法を構築し、中性子星クラスト領域の非一様核物質状態方程式を作成した。

Report

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

    (12 results)

All 2009 2008 2007 2006 Other

All Journal Article (6 results) (of which Peer Reviewed: 3 results) Presentation (6 results)

  • [Journal Article] Variational calculation for the nuclear equation of state toward supernova explosions2008

    • Author(s)
      M. Takano, H. kanzawa, K. Oyamatsu and K. Sumiyoshi
    • Journal Title

      Mod. Phys. Lett. A23

      Pages: 2455-2455

    • Related Report
      2008 Final Research Report
  • [Journal Article] Equation of State of Nuclear matter and the Nuclear Three-Body Force2008

    • Author(s)
      H. Kanzawa, K. Oyamatsu, K. Sumiyoshi and M. Takano
    • Journal Title

      AIP conf. Proc. 1011

      Pages: 287-287

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Nuclear Many-Body Approach for Supernova EOS : Thomas-Fermi Calculations of Non-Uniform Nuclear Matter2008

    • Author(s)
      H. Kanzawa, K. Oyamatsu, K. Sumiyoshi, M. Takano
    • Journal Title

      PoS(NlC-X) (印刷中)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Variational calculation for the equation of state of nuclear matter at finite temperatures2007

    • Author(s)
      H. Kanzawa, K. Oyamatsu, K. Sumiyoshi and M. Takano
    • Journal Title

      Nucl. Phys. A791

      Pages: 232-232

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Variational Study of Asymmetric Nuclear Matter and a New Term in the Mass Formula2006

    • Author(s)
      M.Takano, M.Yamada
    • Journal Title

      Progress of Theoretical Physics 116

      Pages: 545-571

    • NAID

      110004831066

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Variational Calculation for the Equation of State of Nuclear Matter at Finite Temperatures

    • Author(s)
      H.Kanzawa, K.Oyamatsu, K.Sumiyoshi, M.Takano
    • Journal Title

      Nuclear Physics A (in press)

    • Related Report
      2006 Annual Research Report
  • [Presentation] クラスター変分法による非対称核物質状態方程式の研究2009

    • Author(s)
      鷹野正利,神沢弘明,親松和浩,住吉光介
    • Organizer
      日本物理学会
    • Place of Presentation
      立教大学
    • Related Report
      2008 Annual Research Report 2008 Final Research Report
  • [Presentation] Nuclear Many-Body Approach for Supernova EOS : Thomas-Fermi Calculations of Non-Uniform Nuclear Matter2008

    • Author(s)
      H. Kanzawa, K. Oyamatsu, K. Sumiyoshi, M. Takano
    • Organizer
      Nuclei in the Cosmos X
    • Place of Presentation
      アメリカ
    • Related Report
      2008 Annual Research Report
  • [Presentation] Thomas - Fermi近似を用いた核物質状態方程式の非一様核物質への拡張IV2008

    • Author(s)
      神沢弘明, 親松和浩, 住吉光介, 鷹野正利
    • Organizer
      日本物理学会
    • Place of Presentation
      山形大学
    • Related Report
      2008 Annual Research Report
  • [Presentation] 変分法による核物質状態方程式の作成と天体物理への応用2008

    • Author(s)
      鷹野正利, 親松和浩, 住吉光介, 山田章一
    • Organizer
      ワークショップ「計算科学による素粒子・原子核・宇宙の融合」
    • Place of Presentation
      筑波大学
    • Related Report
      2008 Annual Research Report
  • [Presentation] Variational Calculations of the Equation of State of Nuclear Matter2007

    • Author(s)
      M. Takano, H. Kanzawa, K. Oyamatsu and K. Sumiyoshi
    • Organizer
      The 14th International Conference on Recent Progress in Many-Body Theories
    • Place of Presentation
      Balcerona, Spain
    • Related Report
      2008 Final Research Report
  • [Presentation] Variational calculation for infinite nuclear matter at finite temperature2006

    • Author(s)
      M. Takano, H. Kanzawa, K. Oyamatsu and K. Sumiyoshi
    • Organizer
      In Heaven and on Earth 2006, The nuclear equation of state in astrophysics
    • Place of Presentation
      Montreal, Canada
    • Related Report
      2008 Final Research Report

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

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