Relativistic chiral mean field model with parity and charge projection for nuclear structure

• Project/Area Number: 18540269
• 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: Osaka University
• Principal Investigator: TOKI Hiroshi Osaka University, 核物理研究センター, 教授 (70163962)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,030,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥630,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2006: ¥1,300,000 (Direct Cost: ¥1,300,000)
• Keywords: 相対論的平均場 / パイ中間子 / カイラル対称性 / テンサーカ / 短距離斥力の扱い / テンサー最適化シェルモデル / ユニタリー演算子法 / 2p-2h励起状態 / 巌密計算との比較 / テンサー力 / 相対論的平均場理論 / パリティーと電荷の射影 / 量子効果の取り扱い / カイラルモデルの規格化 / パイ中間子の役割 / 平均場近似 / パリティーの射影 / マジック数 / 表面パイオン凝縮 / フェルミオン・ボソン対称性 / カイラル対称性の破れ

Research Abstract

南部理論ではカイラル対称性が自発的に破れ、核子に質量が生じ、擬スカラー粒子であるパイオンが出現する。パイオンが引き起こすテンサー力の取り扱い法は非常に難しいがこの研究課題ではそれを相対論的カイラル平均場(RCMF)モデルとして確立した。RCMFモデルではパイオン相関を2粒子2空孔励起の変分関数で表現し、核子対が短距離で大きな存在確率を持つことを変分関数の中に取り込むことが重要であることを示した。成果としてパイオンが大半の引力を与えることを示し、さらには基底状態の波動関数には非常に大きな運動量成分があることを示した。今後の原子核物理の発展の基礎を与えた。

Research Products

• [Journal Article] (2009)
  • Author(s): Ogawa Y, Toki H, Tamenaga S, Haga A
  • Journal Title: Prog.Theor.Phys. 122 Pages: 477-498
• [Journal Article] (2009)
  • Author(s): Hu, J., Ogawa, Y., Toki, H., Hosaka, A., Shen, H.
  • Journal Title: Phys Rev C79 Pages: 24305-24305
• [Journal Article] Tensor optimized shell model with bare nucleon-nucleon interactionfor $^4$He (2009)
  • Author(s): Takayuki Myo, Hiroshi Toki, Kiyomi Ikeda
  • Journal Title: Prog. Theor. Phys.
  • Peer Reviewed
• [Journal Article] (2008)
  • Author(s): Ramos A, Magas VK, Oset E, Toki H
  • Journal Title: Nucl.Phys. A804 Pages: 219-230
• [Journal Article] (2008)
  • Author(s): Setsuo Tamenaga, Hiroshi Toki, Akihiro Haga, Yoko Ogawa
  • Journal Title: Nucl Phys A811 Pages: 306-328
• [Journal Article] (2008)
  • Author(s): Myo, Takayuki, Kikuchi, Yuma, Kato, Kiyoshi, Toki, Hiroshi, Ikeda, Kiyomi
  • Journal Title: Prog.Theor.Phys. 119 Pages: 561-581
• [Journal Article] Carmen Garcia Recio, Juan Nieves (2008)
  • Author(s): Hiroshi Toki
  • Journal Title: Phys.Rev. D77 Pages: 34001-34001
• [Journal Article] (2008)
  • Author(s): Nakagawa Y, Nakamura A, Saito T, Toki H
  • Journal Title: Phys. Rev. D 77 Pages: 34015-34015
• [Journal Article] Spontaneous chiral symmetry breaking in the masslesslinear sigma model by fermion and boson loop corrections (2008)
  • Author(s): Setsuo Tamenaga, Hiroshi Toki, Akihiro Haga, Yoko Ogawa
  • Journal Title: Nuclear Physics A Volume 811Issue 3-4 Pages: 306-328
  • Peer Reviewed
• [Journal Article] Systematic study of Li-9, Li-10, Li-11 with the tensor and pairingcorrelations (2008)
  • Author(s): Myo, Takayuki, Kikuchi, Yuma, Kato, Kiyoshi, Toki, Hiroshi, Ikeda, Kiyomi
  • Journal Title: PROGRESS OF THEORETICAL PHYSICS Volume 119Issue 4 Pages: 561-581
  • Peer Reviewed
• [Journal Article] (2007)
  • Author(s): Sugimoto S, Toki H, Ikeda K
  • Journal Title: Phys Rev C 76 Pages: 54310-54310
• [Journal Article] (2007)
  • Author(s): Myo T, Kato K, Toki H, Ikeda K
  • Journal Title: Phys Rev C 76 Pages: 24305-24305
• [Journal Article] (2007)
  • Author(s): Ogawa Y, Toki H, Tamenaga S
  • Journal Title: Phys.Rev.C 76 Pages: 14305-14305
• [Journal Article] (2007)
  • Author(s): Sugimoto S, Ikeda K, Toki H
  • Journal Title: Nucl.Phys.A 789 Pages: 155-163
• [Journal Article] (2007)
  • Author(s): Scholten O, Tamenaga S, Toki H
  • Journal Title: Phys.Rev.C 75 Pages: 55203-55203
• [Journal Article] (2007)
  • Author(s): Haga A, Horikawa Y, Toki H
  • Journal Title: Phys.Rev.C 75 Pages: 44315-44315
• [Journal Article] (2007)
  • Author(s): Ramos A, Magas VK, Oset E, Toki H
  • Journal Title: Eur.Phys.Journ.A 31 Pages: 684-686
• [Journal Article] (2007)
  • Author(s): Myo T, Sugimoto S, Kato K Toki H, Ikeda K
  • Journal Title: Prog.Theor.Phys. 117 Pages: 257-274
• [Journal Article] (2007)
  • Author(s): Nakagawa Y, Nakam ura A, Saito T, Toki H
  • Journal Title: Phys.Rev.D 75 Pages: 14508-14508
• [Journal Article] (2007)
  • Author(s): Sugimoto S, Ikeda K, Toki H
  • Journal Title: Phys.Rev.C 75 Pages: 14317-14317
• [Journal Article] Effect of the tensor force in the exchange channel on the spin-orbit splitting in F-23 in the Hartree-Fock framework (2007)
  • Author(s): Sugimoto S, Toki H, Ikeda K
  • Journal Title: PHYSICAL REVIEW C.76 Pages: 054310-054310
  • Peer Reviewed
• [Journal Article] Roles of tensor and pairing correlations on halo formatio in Li-11 (2007)
  • Author(s): Myo T, Kato K, Toki H, Ikeda K
  • Journal Title: PHYSICAL REVIEW C.76 Pages: 024305-024305
  • Peer Reviewed
• [Journal Article] Relativistic chiral mean-field model with parity and charge projection for finite nuclei (2007)
  • Author(s): Ogawa Y, Toki H, Tamenaga S
  • Journal Title: PHYSICAL REVIEW C.76 Pages: 014305-014305
  • Peer Reviewed
• [Journal Article] (2006)
  • Author(s): E. Hiyama, M. Kamim ura, A. Hosaka, H. Toki, M. Yahiro
  • Journal Title: Physics Letters B 633 Pages: 237-244
• [Journal Article] (2006)
  • Author(s): H. Shen, F Yang, H. Toki
  • Journal Title: Prog.Theor.Phys 115 Pages: 325-335
• [Journal Article] (2006)
  • Author(s): V. Dmitrasinovic, K Toki
  • Journal Title: Annals of Physics 321 Pages: 355-401
• [Journal Article] (2006)
  • Author(s): Y. Ogawa, H. Toki, S. Tamenaga, S. Sugimoto, K. Ikeda
  • Journal Title: Phys.Rev.C 73 Pages: 34301-34301
• [Journal Article] (2006)
  • Author(s): L.S. Geng, H. Toki, E.G. Zhao
  • Journal Title: Journal of Physics G 32 Pages: 573-582
• [Journal Article] (2006)
  • Author(s): L.S. Geng, J. Meng, H. Toki, W.H. Long, G. Shen
  • Journal Title: Chin.Phys.Lett. 23 Pages: 1139-1141
• [Journal Article] (2006)
  • Author(s): Y. Nakagawa, A. Nakamura, T. Saito, H. Toki, D. Zwanziger
  • Journal Title: Physical Review D 73 Pages: 94504-94504
• [Journal Article] (2006)
  • Author(s): E. Hiyama, M Kamimura, A. Hosaka, H. Toki, M. Yahiro
  • Journal Title: Few-Body Systems 38 Pages: 91-96
• [Journal Article] (2006)
  • Author(s): E. Oset, H. Toki
  • Journal Title: Physical Review C 74 Pages: 15207-15207
• [Journal Article] (2006)
  • Author(s): V.K. Magas, E. Oset, A. Ramos, H. Toki
  • Journal Title: Physical Review C 74 Pages: 25206-25206
• [Journal Article] (2006)
  • Author(s): K. Sato, H. Toki
  • Journal Title: Nucl. Instrum. & Meth. A 565 Pages: 351-357
• [Journal Article] Progress in Particle and Nuclear Physics 57 (2006)
  • Author(s): J. Meng, H. Toki, S.G. Zhau, S.Q. Zhang, W.H. Long, L.S. Geng
  • Pages: 470-563
• [Journal Article] Five-body calculation of resonance and scattering states of pentaquark system (2006)
  • Author(s): E.Hiyama, M.Kamimura, A.Hosaka, H.Toki, M.Yahiro
  • Journal Title: Physics Letters B 633 Pages: 237-244
• [Journal Article] Double-A hypernuclei in the relativistic mean-field theory (2006)
  • Author(s): H.Shen, F.Yang, H.Toki
  • Journal Title: Progress of Theoretical Physics 115 Pages: 325-335
• [Journal Article] Light hadron spectra in the constituent quark model with the Kobayashi-Kondo-Maskawa-t Hooft effective U-A(1) symmetry breaking interaction (2006)
  • Author(s): V.Dmitrasinovic, H.Toki
  • Journal Title: Annals of Physics 321, 355-401 (2006) 321 Pages: 355-401
• [Journal Article] Charge and parity projected relativistic mean field model with pion for finite nuclei (2006)
  • Author(s): Y.Ogawa, H.Toki, S.Tamenaga, S.Sugimoto, K.Ikeda
  • Journal Title: Physical Review C 73
• [Journal Article] The stability and the shape of the heaviest nuclei (2006)
  • Author(s): L.S.Geng, H.Toki, E.G.Zhao
  • Journal Title: Journal of Physics G 32 Pages: 573-582
• [Journal Article] Spurious shell closures in the relativistic mean field model (2006)
  • Author(s): L.S.Geng, J.Meng, H.Toki, W.H.Long, G.Shen
  • Journal Title: Chin. Phys. Lett 23 Pages: 1139-1141
• [Journal Article] Properties of color-Coulomb string tension (2006)
  • Author(s): Y.Nakagawa, A.Nakamura, T.Saito, H.Toki, D.Zwanziger
  • Journal Title: Physical Review D 73
• [Journal Article] Critical analysis on deeply bound kaonic states in nuclei (2006)
  • Author(s): E.Oset, H.Toki
  • Journal Title: Physical Review C 74
• [Journal Article] Critical view on the deeply bound K-pp system (2006)
  • Author(s): V.K.Magas, E.Oset, A.Ramos, H.Toki
  • Journal Title: Physical Review C 74
• [Journal Article] Synchrotron magnet power supply network with normal and common modes including noise filtering (2006)
  • Author(s): K.Sato, H.Toki
  • Journal Title: Nucl. Instrum. ＆ Meth. A 565 Pages: 351-357
• [Journal Article] Relativistic continuum Hartree Bogoliubov theory for ground-state properties of exotic nuclei (2006)
  • Author(s): J.Meng, H.Toki, S.G.Zhau, S.Q.Zhang, W.H.Long, L.S.Geng
  • Journal Title: Progress in Particle and Nuclear Physics 57 Pages: 470-563
• [Presentation] Tensor optimized shell model and role of pion in finite nuclei (2009)
  • Author(s): 土岐 博
  • Organizer: Workshop on Heavy Ion Reactions
  • Place of Presentation: ソウル大学(韓国)
• [Presentation] Tensor optimized shell model and hypernuclei (2008)
  • Organizer: Interernational Conference in Sendai
  • Place of Presentation: Japan
  • Year and Date: 2008-12-17
• [Presentation] Tensor optimized shell model and the role of pion in finite nuclei (2008)
  • Organizer: France-Japan Seminar in Paris
  • Place of Presentation: France
  • Year and Date: 2008-09-30
• [Presentation] Tensor optimized shell model and the role of pion in nuclei (2008)
  • Organizer: Interernational Conference in Almunecar
  • Place of Presentation: Spain
  • Year and Date: 2008-09-27
• [Presentation] Tensor optimized shell model and role of pion in nuclear physics (2008)
  • Organizer: Seminar in Muenchen
  • Place of Presentation: Germany
  • Year and Date: 2008-09-26
• [Presentation] SU(2)c PNJL model and hadronization at finite temperature and density (2008)
  • Organizer: Seminar in Granada
  • Place of Presentation: Spain
  • Year and Date: 2008-09-22
• [Presentation] Tensor optimized shell model and the role of pion in nuclei (2008)
  • Organizer: Seminar in Granada
  • Place of Presentation: Spain
  • Year and Date: 2008-09-19
• [Presentation] Relativistic mean field approach for nuclei and nuclear matter with application to supernovae (2008)
  • Organizer: Seminar in Muenchen
  • Place of Presentation: Germany
  • Year and Date: 2008-08-11
• [Presentation] Extended Chiral Mean Field Model for Finite Nuclei (2008)
  • Organizer: Seminar in Beijing
  • Place of Presentation: China
  • Year and Date: 2008-03-10
• [Presentation] Tensor optimized shell model and hypernuclei (2008)
  • Author(s): 土岐博
  • Organizer: International Symposium on Hypernuclei
  • Place of Presentation: 東北大学(仙台)
• [Presentation] Chiral Symmetry in Nuclear Many Body System (2007)
  • Author(s): 土岐 博
  • Organizer: 国際会議カイラル07(Chiral Symmetry in Hadron and Nuclear Physics (Chira107))
  • Place of Presentation: 大阪大学コンベンションセンター
  • Year and Date: 2007-11-16
• [Presentation] Relativistic Chiral Mean Field Model for Finite Nuclei (2007)
  • Organizer: Japan-Hungary Seminar in Hungary
  • Year and Date: 2007-10-06
• [Presentation] Relativistic Chiral Mean Field Model for Finite Nuclei (2007)
  • Organizer: Seminar in Muenchen
  • Place of Presentation: Germany
  • Year and Date: 2007-06-06
• [Presentation] Relativistic Chiral Mean Field Model for Finite Nuclei (2006)
  • Organizer: Seminar at Catania
  • Place of Presentation: Italy
  • Year and Date: 2006-09-22
• [Presentation] Relativistic Chiral Mean Field Model for Finite Nuclei (2006)
  • Organizer: International Conference in Erice
  • Place of Presentation: Italy
  • Year and Date: 2006-09-18
• [Presentation] Relativistic chiral mean field approximation with projection and the tensor correlation in 4He (2006)
  • Organizer: International Conference in Ooty
  • Place of Presentation: India
  • Year and Date: 2006-06-10
• [Remarks]
  • URL: http://www.rcnp.osaka-u.ac.jp
• [Remarks]
  • URL: http://www.rcnp.osaka-u.ac.jp