Quantum Phase Transition of Quarks and Hadrons at FiniteBaryon Density

2008 Fiscal Year Final Research Report

• Project/Area Number: 18540253
• 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: The University of Tokyo
• Principal Investigator: HATSUDA Tetsuo The University of Tokyo, 大学院・理学系研究科, 教授 (20192700)
• Co-Investigator(Kenkyū-buntansha): EJIRI Shinji 東京大学, 大学院・理学系研究科, 助教 (10401176)
• Project Period (FY): 2006 – 2008
• Keywords: 量子色力学 / 格子QCD / 中性子星 / 高密度核物質

Research Abstract

高密度クォーク物質と高密度バリオン物質の相変化において、軸性異常により誘起される新しい臨界点が存在する可能性をギンツブルグ-ランダウ理論を用いて示した。さらに格子量子色力学の大規模数値シミュレーションを実行して、高密度バリオン物質の記述に本質的な核力の性質を調べ、短距離での斥力芯の存在を示した。

Research Products

• [Journal Article] Hyperon-nucleon force from lattice QC (2009)
  • Author(s): H.Nemura, N. Ishii, S. Aoki and T. Hatsuda
  • Journal Title: Phys. Lett B673 Pages: 136-141
  • Peer Reviewed
• [Journal Article] Heavy Quark Diffusion with RelativisticLangevin Dynamics in the Quark-GluonFluid (2009)
  • Author(s): Y. Akamatsu, T. Hatsuda and T. Hirano
  • Journal Title: Phys. Rev C79 Pages: 054907
  • Peer Reviewed
• [Journal Article] Fixed Scale Approach to Equation ofState in Lattice QCD (2009)
  • Author(s): T. Umeda, S. Ejiri, S. Aoki, T. Hatsuda, K. Kanaya, Y. Maezawa and H. Ohno
  • Journal Title: Phys. Rev D79 Pages: 051501
  • Peer Reviewed
• [Journal Article] In-medium Pion and Partial Restoration of Chiral Symmetry (2008)
  • Author(s): D. Jido, T. Hatsuda and T. Kunihiro,
  • Journal Title: Phys. Lett B670 Pages: 109 -113
  • Peer Reviewed
• [Journal Article] Nuclear Force from Monte CarloSimulations of Lattice Quantum Chromodynamics (2008)
  • Author(s): S. Aoki, T. Hatsuda and N. Ishii
  • Journal Title: Comp. Sci. Discovery 1 Pages: 015009
  • Peer Reviewed
• [Journal Article] Spectral Continuity in Dense QCD (2008)
  • Author(s): T. Hatsuda, M. Tachibana and N. Yamamoto
  • Journal Title: Phys. Rev D78 Pages: 011501
  • Peer Reviewed
• [Journal Article] The axial anomaly and thephases of dense QCD (2008)
  • Author(s): G. Baym, T. Hatsuda, M. Tachibana and N.Yamamoto
  • Journal Title: J. Phys. G35 Pages: 104021
  • Peer Reviewed
• [Journal Article] Spectral Continuity Of Vector Mesons InDense QCD (2008)
  • Author(s): N. Yamamoto, T. Hatsuda and M. Tachibana
  • Journal Title: Prog. Theor. Phys. Suppl 174,84-87 Pages: 84-87
  • Peer Reviewed
• [Journal Article] Lattice QCD simulation ofhyperon-nucleon potential (2008)
  • Author(s): H. Nemura, N. Ishii, S. Aoki and T.Hatsuda
  • Journal Title: Mod. Phys. Lett. A23 Pages: 2285-2288
• [Journal Article] Lattice QCD calculation of nuclear forces (2008)
  • Author(s): N.Ishii, S. Aoki and T. Hatsuda
  • Journal Title: Mod. Phys. Lett. A23 Pages: 2281-2284
• [Journal Article] From lattice QCD to nuclear force (2008)
  • Author(s): T. Hatsuda, S. Aoki, N.Ishii, H. Nemura
  • Journal Title: Mod. Phys. Lett. A23 Pages: 2265-2272
• [Journal Article] Topological susceptibilityat finite temperature in a random matrixmodel (2008)
  • Author(s): M. OHTANI, C. LEHNER, T. WETTIG and T. HATSUDA
  • Journal Title: Mod. Phys. Lett. A23 Pages: 2465-2468
• [Journal Article] Phase structure, collectivemodes, and the axial anomaly in dense QCD (2007)
  • Author(s): N. Yamamoto, M. Tachibana, T. Hatsuda and G. Baym
  • Journal Title: Phys. Rev. D76 Pages: 074001
  • Peer Reviewed
• [Journal Article] Onset of J/psi melting inquark-gluon fluid at RHIC (2007)
  • Author(s): T. Gunji, H. Hamagaki, T. Hatsuda and T. Hirano
  • Journal Title: Phys. Rev. C76 Pages: 051901
  • Peer Reviewed
• [Journal Article] Bulk and spectralobservables in lattice QCD (2007)
  • Author(s): T. Hatsuda
  • Journal Title: J. Phys. G 34 Pages: S287
  • Peer Reviewed
• [Journal Article] Stau-catalyzed Li-6 production inbig-bang nucleosynthesis (2007)
  • Author(s): K. Hamaguchi, T. Hatsuda, M. Kamimura, Y. Kino and T.T. Yanagida
  • Journal Title: Phys. Lett. B650 Pages: 268-274
  • Peer Reviewed
• [Journal Article] The nuclear force from lattice QCD (2007)
  • Author(s): N.Ishii, S. Aoki and T. Hatsuda
  • Journal Title: Phys.Rev.Lett. 99 Pages: 022001
  • Peer Reviewed
• [Journal Article] First lattice study oflow-energy charmonium-hadroninteraction (2006)
  • Author(s): K.Yokokawa, S. Sasaki, T. Hatsuda and A. Hayashigaki
  • Journal Title: Phys. Rev. D74 Pages: 034504
  • Peer Reviewed
• [Journal Article] New critical point induced bythe axial anomaly in dense QCD (2006)
  • Author(s): T. Hatsuda, M. Tachibana, N. Yamamoto and G. Baym
  • Journal Title: Phys.Rev.Lett. 97 Pages: 122001
  • Peer Reviewed
• [Presentation] Lattice QCD approach to nuclear force (2008)
  • Author(s): N. Ishii, S. Aoki and T. Hatsuda
  • Organizer: Lattice Field Theory, Regensburg
  • Place of Presentation: Germany
  • Year and Date: 20080730-0804
• [Presentation] Nuclear forces from quenched and 2+1flavor lattice QCD using the PACS-CSgauge configurations (2008)
  • Author(s): N. Ishii, S. Aoki and T. Hatsuda
  • Organizer: LATTICE2008
  • Place of Presentation: Williamsburg, Virginia, USA
  • Year and Date: 20080714-19
• [Presentation] Lambda-nucleon force from lattice QCD (2008)
  • Author(s): H. Nemura, N. Ishii, S. Aoki and T. Hatsuda
  • Organizer: LATTICE2008
  • Place of Presentation: Williamsburg, Virginia, USA
  • Year and Date: 20080714-19
• [Presentation] Energy dependence of nucleon-nucleonpotentials (2008)
  • Author(s): S. Aoki, J. Balog, T. Hatsuda, N. Ishii, K. Murano, H. Nemura and P. Weisz
  • Organizer: LATTICE2008
  • Place of Presentation: Williamsburg Virginia, USA
  • Year and Date: 20080714-19
• [Presentation] Strong correlations in hot QCD (2006)
  • Author(s): T. Hatsuda
  • Organizer: Lattice 2006
  • Place of Presentation: Tucson, Arizona, USA
  • Year and Date: 20060723-26