String Theory and Its Nonperturbative Effects

• Project/Area Number: 18740143
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Nagoya University
• Principal Investigator: MORIYAMA Sanefumi Nagoya University, 大学院・多元数理科学研究科, 助教 (80402452)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,500,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥300,000); Fiscal Year 2008: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000); Fiscal Year 2007: ¥1,000,000 (Direct Cost: ¥1,000,000); Fiscal Year 2006: ¥1,200,000 (Direct Cost: ¥1,200,000)
• Keywords: 素粒子論 / 数理物理学 / 弦理論 / ゲージ理論 / 超対称性 / 可積分性 / インスタントン計算 / 弦の場の理論 / 数理物理 / ヤンギアン代数 / セール関係式 / 超対称性ヤンミルズ理論 / 自由フェルミオン / 行列模型 / 可積分系 / 古典r行列 / ヤンギアン対称性 / 例外超代数

Research Abstract

統一理論の候補となる弦理論から、実験で検証された標準模型を導出することは難しい。その理由は、弦理論の非摂動論的な効果に対する理解が不足しているからだと思われる。本研究では、弦理論の非摂動論的な効果の理解と真空構造の解析を目指して、弦理論の定式化に関する研究を行った。研究期間を通じて取り組んだテーマは、(1)光円錐型弦の場の理論と行列弦理論の対応、(2)超対称ヤン・ミルズ理論のインスタントン計算、(3)超対称ヤン・ミルズ理論の可積分性である。

Research Products

• [Journal Article] On LCSFT/MST Correspondence (2009)
  • Author(s): I.Kishimoto, S.Moriyama
  • Journal Title: Advances in Theoretical and Mathematical Physics 13 Pages: 111-157
  • Peer Reviewed
• [Journal Article] On LCSFT/MST Correspondence (2009)
  • Author(s): I. Kishimoto, S. Moriyama
  • Journal Title: Advances in Theoretical and Mathematical Physics 13 Pages: 111-157
  • Peer Reviewed
• [Journal Article] Instanton Calculus and Loop Operator in Supersymmetric Gauge Theory (2008)
  • Author(s): H.Kanno, S.Moriyama
  • Journal Title: Physical Review D77 Pages: 126001-126001
  • NAID: 120001151495
  • Peer Reviewed
• [Journal Article] Instanton calculus and chiral one-point functions in supersymmetric gauge theories (2008)
  • Author(s): S.Fujii, H.Kanno, S.Moriyama, S.Okada
  • Journal Title: Advances in Theoretical and Mathematical Physics 12 Pages: 1401-1428
  • Peer Reviewed
• [Journal Article] An Exceptional Origin of the AdS/CFT Yangian Symmetry (2008)
  • Author(s): T.Matsumoto, S.Moriyama
  • Journal Title: Journal of High Energy Physics 04 Pages: 22-22
  • Peer Reviewed
• [Journal Article] Instanton calculus and chiral one-point functions in supersymmetric gauge theories (2008)
  • Author(s): S. Fujii, H. Kanno, S. Moriyama, S. Okada
  • Journal Title: Advances in Theoretical and Mathematical Physics 12 Pages: 1401-1428
  • Peer Reviewed
• [Journal Article] Instanton Calculus and Loop Operator in Supersymmetric Gauge Theory (2008)
  • Author(s): H. Kanno, S. Moriyama
  • Journal Title: Physical Review D77 Pages: 126001-126001
  • NAID: 120001151495
  • Peer Reviewed
• [Journal Article] An Exceptional Algebraic Origin of the AdS/CFT Yangian Symmetry (2008)
  • Author(s): T. Matsumoto, S. Moriyama
  • Journal Title: Journal of High Energy Physics 04 Pages: 22-22
  • Peer Reviewed
• [Journal Article] A Secret Symmetry of the AdS/CFT S-matrix (2007)
  • Author(s): T.Matsumoto, S.Moriyama, A.Torrielli
  • Journal Title: Journal of High Energy Physics 09 Pages: 99-99
  • Peer Reviewed
• [Journal Article] A Yangian Double for the AdS/CFT Classical r-matrix (2007)
  • Author(s): S.Moriyama, A.Torrielli
  • Journal Title: Journal of High Energy Physics 06 Pages: 83-83
• [Journal Article] A Yangian Double for the AdS/CFT Classical r-matrix (2007)
  • Author(s): S. Moriyama, A. Torrielli
  • Journal Title: Journal of High Energy Physics 06 Pages: 83-83
  • Peer Reviewed
• [Journal Article] A Secret Symmetry of the AdS/CFT S-matrix (2007)
  • Author(s): T. Matsumoto, S. Moriyama, A. Torrielli
  • Journal Title: Journal of High Energy Physics 09 Pages: 99-99
  • Peer Reviewed