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2008 Fiscal Year Final Research Report

Study on High Energy Phenomena in Massive Star Collapses and Formations of Compact Objects

Research Project

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Project/Area Number 17540267
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

YAMADA Shoichi  Waseda University, 理工学術院, 教授 (80251403)

Project Period (FY) 2005 – 2008
Keywords高エネルギー天体 / 大質量星 / 重力崩壊 / 超新星 / 中性子星 / ブラックホール / ニュートリノ / 重力波
Research Abstract

低速で自転する大質量星の重力崩壊に着目した研究を行った。特にニュートリノがどのように放出されるか、またそれによって高密度物質の状態方程式に関してどこまで情報を引き出すことができるかを調べた。その結果、ニュートリノ観測によりブラックホール形成と高密度領域での核物質の圧縮率が推定できることなどを明らかにした。また、超新星コアでおこる流体力学不安定性についても線形解析と数値計算により系統的な研究を行った。

  • Research Products

    (37 results)

All 2009 2008 2007 2006 2005

All Journal Article (27 results) (of which Peer Reviewed: 27 results) Presentation (10 results)

  • [Journal Article] The Standing Accretion Shock Instability in the Disk around the Kerr Black Hole2009

    • Author(s)
      H. Nagakura and S. Yamada
    • Journal Title

      Astrophysical Journal 696

      Pages: 2026-2035

    • Peer Reviewed
  • [Journal Article] Emergence of Hyperons in Failed Supernovae : Trigger of the Black Hole Formation2009

    • Author(s)
      K. Sumiyoshi, S. Yamada and H. Suzuki
    • Journal Title

      Astrophysical Journal Letters 690

      Pages: L43-L46

    • Peer Reviewed
  • [Journal Article] General Relativistic Hydrodynamical Simulations and Linear Analysis of the Standing Accretion Shock Instability around a Black Hole2008

    • Author(s)
      H. Nagakura and S. Yamada
    • Journal Title

      Astrophysical Journal 689

      Pages: 391-406

    • Peer Reviewed
  • [Journal Article] Dynamics and Neutrino Signal of Black Hole Formation in Non-Rotating Failed Supernovae. II2008

    • Author(s)
      K. Sumiyoshi, S. Yamada and H. Suzuki
    • Journal Title

      Progenitor Dependence Astrophysical Journal 688

      Pages: 1176-1185

    • Peer Reviewed
  • [Journal Article] Oscillation and Future Detection of Failed Supernova Neutrinos from a Black-Hole-Forming Collapse2008

    • Author(s)
      K. Nakazato, K. Sumiyoshi, H. Suzuki and S. Yamada
    • Journal Title

      Physical Review D 78

      Pages: 083014

    • Peer Reviewed
  • [Journal Article] Tables of Hyperonic Matter Equation of State for Core-Collapse Supernovae2008

    • Author(s)
      C. Ishizuka, A. Ohnishi, K. Tsubakihara, K. Sumiyoshi and S. Yamada
    • Journal Title

      Journal of Physics G 35

      Pages: 085201

    • Peer Reviewed
  • [Journal Article] Three-Dimensional Simulations of Standing Accretion Shock Instability in Core-Collapse Supernovae2008

    • Author(s)
      W. Iwakami, K. Kotake, N. Ohnishi, S. Yamada and K. Sawada
    • Journal Title

      Astrophysical Journal 678

      Pages: 1207-1222

    • Peer Reviewed
  • [Journal Article] Alfven Wave-Driven Supernova Explosion2008

    • Author(s)
      T. K. Suzuki, K. Sumiyoshi and S. Yamada
    • Journal Title

      Astrophysical Journal 678

      Pages: 1200-1206

    • Peer Reviewed
  • [Journal Article] Astrophysical Implications of Equatoion of State for hadron-quark mixed phase : Compact Stars and Stellar Collapses2008

    • Author(s)
      K. Nakazato, K. Sumiyoshi and S. Yamada
    • Journal Title

      Physical Review D 77

      Pages: 103006

    • Peer Reviewed
  • [Journal Article] Numerical Simulations of Equatorially-Asymmetric Magnetized Supernovae : Formation of Magnetars and their Kicks2008

    • Author(s)
      H. Sawai, K. Kotake and S. Yamada
    • Journal Title

      Astrophysical Journal 672

      Pages: 465-478

    • Peer Reviewed
  • [Journal Article] Dynamics and Neutrino Signal of Black Hole Formation in Nonrotating Failed Supernovae. I. Equation of State Dependence2007

    • Author(s)
      K. Sumiyoshi, S. Yamada and H. Suzuki
    • Journal Title

      Astrophysical Journal 667

      Pages: 382-394

    • Peer Reviewed
  • [Journal Article] Inelastic Neutrino-Helium Scatterings and Standing Accretion Shock Instability in Core-Collapse Supernovae2007

    • Author(s)
      N. Ohnishi, K. Kotake and S. Yamada
    • Journal Title

      Astrophysical Journal 667

      Pages: 375-381

    • Peer Reviewed
  • [Journal Article] Numerical Study on Stellar Core Collapse and Neutrino Emission : Probe into the Spherically Symmetric Black Hole Progenitors with 3-30Msolar Iron Cores2007

    • Author(s)
      K. Nakazato, K. Sumiyoshi and S. Yamada
    • Journal Title

      Astrophysical Journal 666

      Pages: 1140-1151

    • Peer Reviewed
  • [Journal Article] The g-Mode Excitation in the Proto Neutron Star by the Standing Accretion Shock Instability2007

    • Author(s)
      S. Yoshida, N. Ohnishi and S. Yamada
    • Journal Title

      Astrophysical Journal 665

      Pages: 1268-1276

    • Peer Reviewed
  • [Journal Article] Effects of QCD phase transition on gravitational radiation from two-dimensional collapse and bounce of massive stars2007

    • Author(s)
      N. Yasutake, K. Kotake, M. Hashimoto and S. Yamada
    • Journal Title

      Physical Review D 75

      Pages: 084012

    • Peer Reviewed
  • [Journal Article] Heavy Element Nucleosynthesis in a Collapsar2007

    • Author(s)
      S. Fujimoto, M. Hashimoto, K. Kotake, and S. Yamada
    • Journal Title

      Astrophysical Journal 656

      Pages: 382-392

    • Peer Reviewed
  • [Journal Article] Stability of the Accretion Flows with Stalled Shocks in Core-Collapse Supernovae2007

    • Author(s)
      T. Yamasaki and S. Yamada
    • Journal Title

      Astrophysical Journal 656

      Pages: 1019-1037

    • Peer Reviewed
  • [Journal Article] Gravitational Radiation from Standing Accretion Shock Instability in Core-Collapse Supernovae2007

    • Author(s)
      K. Kotake, N. Ohnishi and S. Yamada
    • Journal Title

      Astrophysical Journal 655

      Pages: 406-415

    • Peer Reviewed
  • [Journal Article] Standing Accretion Shocks in the Supernova Core : Effects of Convection and Realistic EOS2006

    • Author(s)
      T. Yamasaki and S. Yamada
    • Journal Title

      Astrophysical Journal 650

      Pages: 291-298

    • Peer Reviewed
  • [Journal Article] Neutrino signals from the formation of a black hole : A probe of the equation of state of dense matter2006

    • Author(s)
      K. Sumiyoshi, S. Yamada, H. Suzuki and S. Chiba
    • Journal Title

      Physical Review Letters 97

      Pages: 091101

    • Peer Reviewed
  • [Journal Article] Gravitational Collapse and Neutrino Emission of Population III Massive Stars2006

    • Author(s)
      K. Nakazato, K. Sumiyoshi and S. Yamada
    • Journal Title

      Astrophysical Journal 645

      Pages: 519-533

    • Peer Reviewed
  • [Journal Article] Magnetohydrodynamic Simulations of a Rotating Massive Star Collapsing to a Black Hole2006

    • Author(s)
      S. Fujimoto, K. Kotake, S. Yamada, M. Hashimoto and K. Sato
    • Journal Title

      Astrophysical Journal 644

      Pages: 1040-1055

    • Peer Reviewed
  • [Journal Article] R-Process Nucleosynthesis in MHD Jet Explosions of Core-Collapse Supernovae2006

    • Author(s)
      S. Nishimura, K. Kotake, M. Hashimoto, S. Yamada, N. Nishimura, S. Fujimoto and K. Sato
    • Journal Title

      Astrophysical Journal 642

      Pages: 410-419

    • Peer Reviewed
  • [Journal Article] Numerical Analysis on Standing Accretion Shock Instability with Neutrino Heating in the Supernova Cores2006

    • Author(s)
      N. Ohnishi, K. Kotake and S. Yamada
    • Journal Title

      Astrophysical Journal 641

      Pages: 1018-1028

    • Peer Reviewed
  • [Journal Article] Effects of Magnetic Fields on Proto-Neutron Star Winds2005

    • Author(s)
      H. Ito, S. Yamada, K. Sumiyoshi and S. Nagataki
    • Journal Title

      Progress of Theoretical Physics 114

      Pages: 995-1020

    • Peer Reviewed
  • [Journal Article] The Core-Collapse Supernova with "Non-Uniform" Magnetic Fields2005

    • Author(s)
      H. Sawai, K. Kotake and S. Yamada
    • Journal Title

      Astrophysical Journal 631

      Pages: 446-455

    • Peer Reviewed
  • [Journal Article] Postbounce Evolution of Core-Collapse Supernovae : Long-Term Effects of Equation of State2005

    • Author(s)
      K. Sumiyoshi, S. Yamada, H. Suzuki, H. Shen, S. Chiba and H. Toki
    • Journal Title

      Astrophysical Journal 629

      Pages: 922-932

    • Peer Reviewed
  • [Presentation] 重力崩壊型超新星の爆発メカニズム2009

    • Author(s)
      山田章一
    • Organizer
      重力崩壊型超新星と高エネルギー天文学
    • Place of Presentation
      東京大学
    • Year and Date
      2009-02-02
  • [Presentation] SASI in Black Hole Accretions2008

    • Author(s)
      Shoichi Yamada
    • Organizer
      Asymmetric instability in stellar core collapse
    • Place of Presentation
      Institute de Henri Poincare (Paris)
    • Year and Date
      2008-07-02
  • [Presentation] Elementary Processes in Core-collapse and Neutrino Burst2007

    • Author(s)
      Shoichi Yamada
    • Organizer
      20 years after SN1987A
    • Place of Presentation
      Hawaii
    • Year and Date
      2007-02-24
  • [Presentation] Core-collapse Supernovae and Neutron Star Formation2006

    • Author(s)
      Shoichi Yamada
    • Organizer
      COSPAR
    • Place of Presentation
      北京
    • Year and Date
      20060716-23
  • [Presentation] Recent Issues in Core-collapse Supernovae2006

    • Author(s)
      Shoichi Yamada
    • Organizer
      16^<th> JGRG
    • Place of Presentation
      新潟
    • Year and Date
      2006-11-30
  • [Presentation] Hydrodynamical and Magnetohydrodynamical Instabilities in Supernova Cores2006

    • Author(s)
      山田章一
    • Organizer
      日本地球惑星科学連合2006年大会
    • Place of Presentation
      幕張メッセ
    • Year and Date
      2006-05-14
  • [Presentation] Supernovae in Universe2006

    • Author(s)
      Shoichi Yamada
    • Organizer
      COE International Workshop "Energy Budget of High Energy Universe"
    • Place of Presentation
      東京大学
    • Year and Date
      2006-02-24
  • [Presentation] Supernovae : Rotation, Jet, Neutrino2005

    • Author(s)
      Shoichi Yamada
    • Organizer
      TAUP2005
    • Place of Presentation
      Zaragoza
    • Year and Date
      20050910-14
  • [Presentation] Gravitational Collapse of Massive Stars2005

    • Author(s)
      Shoichi Yamada
    • Organizer
      国際シンポジウムOMEG2005
    • Place of Presentation
      東京大学
    • Year and Date
      2005-11-10
  • [Presentation] Asymmetric Supernovae2005

    • Author(s)
      Shoichi Yamada
    • Organizer
      The 59th Yamada Conference'Inflating Horizon of Particle Astrophysics and Cosmology'
    • Place of Presentation
      東京大学
    • Year and Date
      2005-06-21

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Published: 2010-06-10   Modified: 2016-04-21  

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