New description of Hadron physics based on five-dimensional Gravitational Theory

• Project/Area Number: 18540280
• 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: Kyushu University
• Principal Investigator: YAHIRO Masanobu Kyushu University, 大学院・理学研究院, 教授 (40300537)
• Co-Investigator(Kenkyū-buntansha): 郷六 一生 福岡工業大学, 情報工学部, 教授 (20104812)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,970,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥570,000); Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2007: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2006: ¥1,500,000 (Direct Cost: ¥1,500,000)
• Keywords: 核物理 / ハドロン物理 / ゲージ理論 / 重力理論対応 / ハドロン / 有限温度 / 有限密度 / 5次元重力理論 / 5次元重力模型

Research Abstract

ゲージ理論/重力理論対応という新概念を基に、ハドロンの諸観測量を再現する5 次元重力モデルを提案した。また、そのモデルを有限温度系に拡張した。ここで、ゲージ理論/重力理論対応とはゲージ理論と等価な重力理論が存在するという仮説であり、現在、注目を浴びている。

Research Products

• [Journal Article] Vector-type four-quark interaction and its impact on QCD phase structure (2008)
  • Author(s): Y. Sakai, K. Kashiwa, H. Kouno, M. Matsuzaki and M. Yahiro
  • Journal Title: Phys. Rev. D78 Pages: 76007-76007
  • Peer Reviewed
• [Journal Article] Phase diagram in the imaginary chemical potential region and extended Z(3) symmetry (2008)
  • Author(s): Y. Sakai, K. Kashiwa, H. Kouno and M. Yahiro
  • Journal Title: Phys. Rev. D78 Pages: 36001-36001
  • Peer Reviewed
• [Journal Article] Critical endpoint in the Polyakov-loop extended NJL model (2008)
  • Author(s): K. Kashiwa, H. Kouno, M. Matsuzaki and M. Yahiro
  • Journal Title: Phys. Lett. D662 Pages: 26-32
  • NAID: 120006379745
  • Peer Reviewed
• [Journal Article] Polyakov loop extended NJL model with imaginary chemical potential (2008)
  • Author(s): Y. Sakai, K. Kashiwa, H. Kouno and M. Yahiro
  • Journal Title: Phys. Rev. D77 Pages: 51901-51901
  • Peer Reviewed
• [Journal Article] Critical endpoint in the Polyakov-loop extended NJL model (2008)
  • Author(s): Kashiwa, et al.
  • Journal Title: Physics Letters B662 Pages: 26-32
  • Peer Reviewed
• [Journal Article] Phase diagram in the imaginary chemical potential region and extended Z(3) symmetry (2008)
  • Author(s): Sakai, et al.
  • Journal Title: Physical Review D78
  • Peer Reviewed
• [Journal Article] (2008)
  • Author(s): Sakai, et al.
  • Journal Title: Physical Review D78
  • Peer Reviewed
• [Journal Article] Polyakov loop extended NJL model with imaginary chemical potential (2008)
  • Author(s): Sakai, et. al.
  • Journal Title: Physical Review D77
  • Peer Reviewed
• [Journal Article] Meson loop effect on high density chiral phase transition (2008)
  • Author(s): Sakaguchi, et. al.
  • Journal Title: Central European Journal of Physics 6 Pages: 116-121
  • Peer Reviewed
• [Journal Article] Effects of a multi-quark interaction on color superconducting phase transition in an extended NJL model (2007)
  • Author(s): K. Kashiwa, M. Matsuzaki, H. Kouno and M. Yahiro
  • Journal Title: Phys. Lett. D657 Pages: 143-147
  • NAID: 120006379743
  • Peer Reviewed
• [Journal Article] Chiral phase transition in an extended NJL model with higher-order multi-quark interactions (2007)
  • Author(s): K. Kashiwa, H. Kouno, T. Sakaguchi, M. Matsuzaki and M. Yahiro
  • Journal Title: Phys. Lett. D647 Pages: 446-451
  • NAID: 120006379744
  • Peer Reviewed
• [Journal Article] Effects of a multi-quark interaction on color superconducting phase transition in an extended NJL model (2007)
  • Author(s): Kashiwa, et. al.
  • Journal Title: Physics Letters B657 Pages: 143-147
  • Peer Reviewed
• [Journal Article] Chiral phase transition in an extended NJL model with higher-order multi-quark interactions (2007)
  • Author(s): K.Kashiwa, et al.
  • Journal Title: Physics letters B647 Pages: 446-451
• [Journal Article] Holographic model at finite temperature with R-charge density (2006)
  • Author(s): K. Ghoroku, A. Nakamura and M. Yahiro
  • Journal Title: Phys. Lett. D638 Pages: 382-387
  • Peer Reviewed
• [Journal Article] Holographic model for mesons at finite temperature. (2006)
  • Author(s): K. Ghoroku and M. Yahiro
  • Journal Title: Phys. Rev. D73 Pages: 125010-125010
  • Peer Reviewed
• [Journal Article] Holographic model for hadrons in deformed AdS5 background (2006)
  • Author(s): K. Ghoroku, N. Maru, M. Tachibana and M. Yahiro
  • Journal Title: Phys. Lett. B633 Pages: 602-606
  • Peer Reviewed
• [Journal Article] Holographic model for mesons at finite temperature. (2006)
  • Author(s): K.Ghoroku, M.Yahiro
  • Journal Title: Physical Review D73 Pages: 125010-125010
• [Journal Article] Holographic model at finite temperature with R-charge density (2006)
  • Author(s): K.Ghoroku, A.Nakamura, M.Yahiro
  • Journal Title: Physics Letters B638 Pages: 382-387
• [Presentation] The XXVI International Symposium on Lattice Field Theory, the College of William and Mary (2008)
  • Author(s): M. Hamada, H. Kouno, A. Nakamura, T. Saito, and M. Yahiro
  • Organizer: Quark Propagators in the confinement and deconfinement phases
  • Place of Presentation: Williamsburg, Virginia, USA
• [Presentation] Nagoya Mini-Workshop "Chiral Symmetry in hot and/or dense matter" (2007)
  • Author(s): K. Kashiwa, H. Kouno, M. Matsuzaki, Y. Sakai and M. Yahiro
  • Organizer: Effects of higher-order multi-quark interactions in the two-flavor Nambu- Jona-Lasinio model
  • Place of Presentation: Nagoya University
  • Year and Date: 2007-06-25
• [Presentation] International Nuclear Physics Conference(INPC2007) (2007)
  • Author(s): K. Kashiwa, H. Kouno, M. Matsuzaki, M. Yahiro
  • Organizer: Effects of higher-order multi-quark interactions in NJL model on the chiral and color-superconducting phase transition
  • Place of Presentation: Tokyo International Forum, Tokyo
• [Presentation] International Nuclear Physics Conference(INPC2007) (2007)
  • Author(s): M. Hamada, H. Kouno, A. Nakamura, T. Saito and M. Yahiro
  • Organizer: The behavior of the quark propagator near the T_C
  • Place of Presentation: Tokyo International Forum, Tokyo
• [Presentation] Yukawa International Seminar(YKIS)2006 (2006)
  • Author(s): K. Kashiwa, H. Kouno, M. Matsuzaki, T. Sakaguchi, and M. Yahiro
  • Organizer: Phase transitions in an extended NJL model with higher-order multi-quark interactions
  • Place of Presentation: Yukawa Institute for Theoretical Physics
• [Presentation] XXIVth International Symposium on Lattice Field Theory (2006)
  • Author(s): M. Hamada, H. Kouno, A. Nakamura, T. Saito, M. Yahiro
  • Organizer: Quark propagators at finite temperature with the clover action
  • Place of Presentation: Tucson, Arizona, USA
• [Presentation] Trento workshop on Hadrons and Strings (2006)
  • Author(s): M. Yahiro
  • Organizer: Flavor quark at high temperature from a holographic Model
  • Place of Presentation: European Center for Theoretical Studies in Nuclear Physics and Related Areas
• [Remarks]
  • URL: http://www.nt.phys.kyushu-u.ac.jp/
• [Remarks]
  • URL: http://www.nt.phys.kyushu-u.ac.jp/