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

• Project/Area Number: 17540267
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Waseda University
• Principal Investigator: YAMADA Shoichi Waseda University, 理工学術院, 教授 (80251403)
• Project Period (FY): 2005 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,950,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥450,000); Fiscal Year 2008: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000); Fiscal Year 2007: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2006: ¥800,000 (Direct Cost: ¥800,000); Fiscal Year 2005: ¥1,200,000 (Direct Cost: ¥1,200,000)
• 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 / コンパクト天体 / 不安定 / 降着衝撃波

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

• [Journal Article] The Standing Accretion Shock Instability in the Disk around the Kerr Black Hole (2009)
  • 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 Formation (2009)
  • Author(s): K. Sumiyoshi, S. Yamada and H. Suzuki
  • Journal Title: Astrophysical Journal Letters 690
  • Peer Reviewed
• [Journal Article] Emergence of Hyperons in Failed Supernovae : Trigger of the Black Hole Formation (2009)
  • Author(s): K. Sumiyoshi, S. Yamada, H. Suzuki
  • Journal Title: The Astrophysical Journal Letters 690
  • Peer Reviewed
• [Journal Article] Spiral Mode of Standing Accretion Shock Instability in Core-Collapse Supernovae (2009)
  • Author(s): W. Iwakami, N. Ohnishi, K. Kotake, S. Yamada, K. Sawada
  • Journal Title: Astrophysics and Space Science in press
  • Peer Reviewed
• [Journal Article] The Standing Accretion Shock Instability in the Disk around the Kerr Black Hole (2009)
  • Author(s): H. Nagakura, S. Yamada
  • Journal Title: Astrophysical Journal in press
  • Peer Reviewed
• [Journal Article] General Relativistic Hydrodynamical Simulations and Linear Analysis of the Standing Accretion Shock Instability around a Black Hole (2008)
  • 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. II (2008)
  • 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 Collapse (2008)
  • Author(s): K. Nakazato, K. Sumiyoshi, H. Suzuki and S. Yamada
  • Journal Title: Physical Review D 78 Pages: 83014-83014
  • Peer Reviewed
• [Journal Article] Tables of Hyperonic Matter Equation of State for Core-Collapse Supernovae (2008)
  • Author(s): C. Ishizuka, A. Ohnishi, K. Tsubakihara, K. Sumiyoshi and S. Yamada
  • Journal Title: Journal of Physics G 35 Pages: 85201-85201
  • Peer Reviewed
• [Journal Article] Three-Dimensional Simulations of Standing Accretion Shock Instability in Core-Collapse Supernovae (2008)
  • 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 Explosion (2008)
  • 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 Collapses (2008)
  • Author(s): K. Nakazato, K. Sumiyoshi and S. Yamada
  • Journal Title: Physical Review D 77 Pages: 103006-103006
  • Peer Reviewed
• [Journal Article] Numerical Simulations of Equatorially-Asymmetric Magnetized Supernovae : Formation of Magnetars and their Kicks (2008)
  • Author(s): H. Sawai, K. Kotake and S. Yamada
  • Journal Title: Astrophysical Journal 672 Pages: 465-478
  • Peer Reviewed
• [Journal Article] Three-Dimensional Simulations of Standing Accretion Shock Instability in Core-Collapse Supernovae (2008)
  • Author(s): W. Iwakami, K. Kotake, N. Ohnishi, S. Yamada, K. Sawada
  • Journal Title: Astrophysical Journal 678 Pages: 1207-1222
  • Peer Reviewed
• [Journal Article] Astrophysical Implications of Equatoion of State for hadron-quark mixed phase : Compact stars and Stellar Collapses (2008)
  • Author(s): K. Nakazato, K. Sumiyoshi, S. Yamada
  • Journal Title: Physical Review D 77 Pages: 103006-103006
  • Peer Reviewed
• [Journal Article] Alfven Wave-Driven Supernova Explosion (2008)
  • Author(s): T. K. Suzuki, K. Sumiyoshi, S. Yamada
  • Journal Title: Astrophysical Journal 678 Pages: 1200-1206
  • Peer Reviewed
• [Journal Article] Tables of Hyperonic Matter Equation of State for Core-Collapse Supernovae (2008)
  • Author(s): C. Ishizuka, A. Ohnishi, K. Tsubakihara, K. Sumiyoshi, S. Yamada
  • Journal Title: Journal of Physics G 35 Pages: 85201-85201
  • Peer Reviewed
• [Journal Article] Dynamics and Neutrino Signal of Black Hole Formation in Non-Rotating Failed Supernovae. II. Progenitor Dependence (2008)
  • Author(s): K. Sumiyoshi, S. Yamada, H. Suzuki
  • Journal Title: Astrophysical Journal 688 Pages: 1176-1185
  • Peer Reviewed
• [Journal Article] Oscillation and Future Detection of Failed Supernova Neutrinos from a Black-Hole-Forming Collapse (2008)
  • Author(s): K. Nakazato, K. Sumiyoshi, H. Suzuki, S. Yamada
  • Journal Title: Physical Review D 78 Pages: 83014-83014
  • Peer Reviewed
• [Journal Article] General Relativistic Hydrodynamical Simulations and Linear Analysis of the Standing Accretion Shock Instability around a Black Hole (2008)
  • Author(s): H. Nagakura, S. Yamada
  • Journal Title: Astrophysical Journal 689 Pages: 391-406
  • Peer Reviewed
• [Journal Article] Numerical Simulations of Equatorially-Asymmetric Magnetized Supernovae: Formation of Magnetars and their Kicks (2008)
  • Author(s): Hidetomo Sawai, Kei Kotake, and Shoichi Yamada
  • Journal Title: Astrophysical Journal 672 Pages: 465-478
  • Peer Reviewed
• [Journal Article] Three-Dimensional Simulations of Standing Accretion Shock Instability in Core-Collapse Supernovae (2008)
  • Author(s): W.lwakami, K.Kotake, N.Ohnishi, S.Yamada, and K.Sawada
  • Journal Title: Astrophysical Journal (in press)
  • Peer Reviewed
• [Journal Article] Alfven Wave-Driven Supernova Explosion (2008)
  • Author(s): Takeru K.Suzuki, Kohsuke Sumiyoshi, and Shoichi Yamada
  • Journal Title: Astrophysical Journal (in press)
  • Peer Reviewed
• [Journal Article] Dynamics and Neutrino Signal of Black Hole Formation in Nonrotating Failed Supernovae. I. Equation of State Dependence (2007)
  • 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 Supernovae (2007)
  • 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 Cores (2007)
  • 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 Instability (2007)
  • 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 stars (2007)
  • Author(s): N. Yasutake, K. Kotake, M. Hashimoto and S. Yamada
  • Journal Title: Physical Review D 75 Pages: 84012-84012
  • Peer Reviewed
• [Journal Article] Heavy Element Nucleosynthesis in a Collapsar (2007)
  • 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 Supernovae (2007)
  • 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 Supernovae (2007)
  • Author(s): K. Kotake, N. Ohnishi and S. Yamada
  • Journal Title: Astrophysical Journal 655 Pages: 406-415
  • Peer Reviewed
• [Journal Article] Effects of QCD phase transition on gravitational radiation from two-dimensional collapse and bounce of massive stars (2007)
  • Author(s): Yasutake, Nobutoshi; Kotake, Kei; Hashimoto, Masa-Aki; Yamada, Shoichi
  • Journal Title: Physical Review D 75 Pages: 84012-84012
  • Peer Reviewed
• [Journal Article] The g-Mode Excitation in the Proto Neutron Star by the Standing Accretion Shock Instability (2007)
  • Author(s): Shijun Yoshida, Naofumi Ohnishi, and Shoichi Yamada
  • Journal Title: Astrophysical Journal 665 Pages: 1268-1276
  • Peer Reviewed
• [Journal Article] Numerical Study on Stellar Core Collapse and Neutrino Emission: Probe into the Spherically Symmetric Black Hole Progenitors with 3-30M_\odot Iron Cores (2007)
  • Author(s): Ken'ichiro Nakazato, Kohsuke Sumiyoshi, and Shoichi Yamada
  • Journal Title: Astrophysical Journal 666 Pages: 1140-1151
  • Peer Reviewed
• [Journal Article] Inelastic Neutrino-Helium Scatterings and Standing Accretion Shock Instability in Core-Collapse Supernovae (2007)
  • Author(s): Naofumi Ohnishi, Kei Kotake, and Shoichi Yamada
  • Journal Title: Astrophysical Journal 667 Pages: 375-381
  • Peer Reviewed
• [Journal Article] Dynamics and Neutrino Signal of Black Hole Formation in Nonrotating Failed Supernovae.I.Equation of State Dependence (2007)
  • Author(s): K.Sumiyoshi, S.Yamada, and H.Suzuki
  • Journal Title: Astrophvsical Journal 667 Pages: 382-394
  • Peer Reviewed
• [Journal Article] Effects of QCD phase transition on gravitational rediation from two-dimensional collapse and bounce of massive stars (2007)
  • Author(s): Masa-aki Hashimoto, Shoichi Yamada
  • Journal Title: Physical Review D (in press)
• [Journal Article] Stability of the Accretion Flows with Stalled Shocks in Core-Collapse Supernovae (2007)
  • Author(s): Tatsuya Yamasaki, Shoichi Yamada
  • Journal Title: Astrophysical Journal 656 Pages: 1019-1037
• [Journal Article] Heavy Element Nucleosynthesis in a Collapsar (2007)
  • Author(s): S.Fujimoto, M.Hashimoto, K.Kotake, S.Yamada
  • Journal Title: Astrophysical Journal 656 Pages: 382-392
• [Journal Article] Gravitational Radiation from Standing Accretion Shock Instability in Core-Collapse Supernovae (2007)
  • Author(s): Kei Kotake, Naofumi Ohnishi, Shoichi Yamada
  • Journal Title: Astrophysical Journal 655 Pages: 406-415
• [Journal Article] Standing Accretion Shocks in the Supernova Core : Effects of Convection and Realistic EOS (2006)
  • 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 matter (2006)
  • Author(s): K. Sumiyoshi, S. Yamada, H. Suzuki and S. Chiba
  • Journal Title: Physical Review Letters 97 Pages: 91101-91101
  • Peer Reviewed
• [Journal Article] Gravitational Collapse and Neutrino Emission of Population III Massive Stars (2006)
  • 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 Hole (2006)
  • 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 Supernovae (2006)
  • 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 Cores (2006)
  • Author(s): N. Ohnishi, K. Kotake and S. Yamada
  • Journal Title: Astrophysical Journal 641 Pages: 1018-1028
  • Peer Reviewed
• [Journal Article] Numerical Analysis on Standing Accretion Shock Instability with Neutrino Heating in the Supernova Cores (2006)
  • Author(s): Naofumi Ohnishi, Kei Kotake, Shoichi Yamada
  • Journal Title: Astrophysical Journal 641 Pages: 1018-1028
• [Journal Article] R-Process Nucleosynthesis in MHD Jet Explosions of Core-Collapse Supernovae (2006)
  • Author(s): S.Nishimura et al.
  • Journal Title: Astrophysical Journal 642 Pages: 410-419
• [Journal Article] Gravitational Collapse and Neutrino Emission of Population III Massive Stars (2006)
  • Author(s): Ken'ichiro, Kohsuke Sumiyoshi, Shoichi Yamada
  • Journal Title: Astrophysical Journal 645 Pages: 519-533
• [Journal Article] Magnetohydrodynamic Simulations of a Rotating Massive Star Collapsing to a Black Hole (2006)
  • Author(s): S.Fujimoto, K.Kotake, S.Yamada, M.Hashimoto, K.Sato
  • Journal Title: Astrophysical Journal 644 Pages: 1040-1055
• [Journal Article] Standing Accretion Shocks in the Supernova Core : Effects of Convection and Realistic EOS (2006)
  • Author(s): Tatsuya Yamasaki, Shoichi Yamada
  • Journal Title: Astrophysical Journal 650 Pages: 291-298
• [Journal Article] Neutrino signals from the formation of a black hole : A probe of the equation of state of dense matter (2006)
  • Author(s): K.Sumiyoshi, S.Yamada, H.Suzuki, S.Chiba
  • Journal Title: Physical Review Letters 97 Pages: 91101-91101
• [Journal Article] Numerical Analysis on Standing Accretion Shock Instability with Neutrino Heating in the Supernova Cores (2006)
  • Author(s): Naofumi Ohnishi, Kei Kotake, Shoichi Yamada
  • Journal Title: Astrophysical Journal (in press)
• [Journal Article] R-Process Nucleosynthesis in NHD Jet Explosions of Core-Collapse Supernovae (2006)
  • Author(s): S.Nishimura et al.
  • Journal Title: Astrophysical Journal (in press)
• [Journal Article] Magnetohydrodynamic Simulations of a Rotating Massive Star Collapsing to a Black Hole (2006)
  • Author(s): S.Fujimoto, K.Kotake, S.Yamada, M.Hashimoto, K.Sato
  • Journal Title: Astrophysical Journal (in press)
• [Journal Article] Effects of Magnetic Fields on Proto-Neutron Star Winds (2005)
  • Author(s): H. Ito, S. Yamada, K. Sumiyoshi and S. Nagataki
  • Journal Title: Progress of Theoretical Physics 114 Pages: 995-1020
  • NAID: 110002961834
  • Peer Reviewed
• [Journal Article] The Core-Collapse Supernova with "Non-Uniform" Magnetic Fields (2005)
  • 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 State (2005)
  • 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
• [Journal Article] Postbounce Evolution of Core-Collapse Supernovae : Long-Term Effects of Equation of State (2005)
  • Author(s): K.Sumiyoshi, S.Yamada, H.Suzuki, H.Shen, S.Chiba, H.Toki
  • Journal Title: Astrophysical Journal 629 Pages: 922-932
• [Journal Article] The Core-Collapse Supernova with "Non-Uniform" Magnetic Fields (2005)
  • Author(s): Hidetomo Sawai, Kei Kotake, Shoichi Yamada
  • Journal Title: Astrophysical Journal 631 Pages: 446-455
• [Journal Article] Effects of Magnetic Fields on Proto-Neutron Star Winds (2005)
  • Author(s): Kohsuke Sumiyoshi, Shigehiro Nagataki
  • Journal Title: Progress of Theoretical Physics 114 Pages: 995-1020
• [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 Accretions (2008)
  • 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] SASI in Black Hole Accretions (2008)
  • Author(s): Shoichi Yamada
  • Organizer: Supernova Workshop
  • Place of Presentation: IHP (Paris)
  • Year and Date: 2008-07-02
• [Presentation] Elementary Processes in Core-collapse and Neutrino Burst (2007)
  • Author(s): Shoichi Yamada
  • Organizer: 20 years after SN1987A
  • Place of Presentation: Hawaii
  • Year and Date: 2007-02-24
• [Presentation] Recent Issues in Core-collapse Supernovae (2006)
  • 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 Cores (2006)
  • 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 Universe (2006)
  • 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] Core-collapse Supernovae and Neutron Star Formation (2006)
  • Author(s): Shoichi Yamada
  • Organizer: COSPAR
  • Place of Presentation: 北京
• [Presentation] Gravitational Collapse of Massive Stars (2005)
  • 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 Supernovae (2005)
  • 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
• [Presentation] Supernovae : Rotation, Jet, Neutrino (2005)
  • Author(s): Shoichi Yamada
  • Organizer: TAUP2005
  • Place of Presentation: Zaragoza