Origin of space-time through superstring theory

2009 Fiscal Year Self-evaluation Report

• Project/Area Number: 19340066
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: High Energy Accelerator Research Organization
• Principal Investigator: KITAZAWA Yoshihisa High Energy Accelerator Research Organization, 素粒子原子核研究所, 教授 (10195258)
• Project Period (FY): 2007 – 2010
• Keywords: 素粒子(理論)

Research Abstract

超弦理論は、時空構造に付いて新たな視点を提供する。超弦理論は、最小長さの導入により、場の揺らぎによる紫外発散を含まないが、この事実は時空自体が最小単位から構成されている事を強く示唆する。弦理論が紫外発散を含まない理論である事を明白に示す定式化として行列模型は魅力的であり、時空と物質を行列自由度から導出する可能性を与える。本研究は、弦理論の基本的な定式化から、行列模型を用いた時空・物質の導出機構に関する研究を推進する。

Research Products

• [Journal Article] String coupling and interactions in type IIB matrix model (2009)
  • Author(s): Yoshihisa Kitazawa, Satoshi Nagaoka
  • Journal Title: Phys.Rev. D79 Pages: 106002
  • Peer Reviewed
• [Journal Article] N=4 Supersymmetric Yang-Mills on S**3 in Plane Wave Matrix Model at Finite Temperature (2009)
  • Author(s): Yoshihisa Kitazawa, Koichiro Matsumoto
  • Journal Title: Phys.Rev. D79 Pages: 065003
  • Peer Reviewed
• [Journal Article] Construction of a topological charge on fuzzy S**2 x S**2 via Ginsparg-Wilson relation (2009)
  • Author(s): Hajime Aoki, Yoshiko Hirayama, Satoshi Iso
  • Journal Title: Phys.Rev. D80 Pages: 125006
  • Peer Reviewed
• [Journal Article] Higher derivative corrections to black hole thermodynamics from supersymmetric matrix quantum mechanics (2009)
  • Author(s): Masanori Hanada, Yoshifumi Hyakutake, Jun Nishimura, Shingo Takeuchi
  • Journal Title: Phys.Rev.Lett. 102 Pages: 191602
  • Peer Reviewed
• [Journal Article] Scaling limit of N=6 superconformal Chern-Simons theories and Lorentzian Bagger-Lambert theories (2008)
  • Author(s): Yoshinori Honma, Satoshi Iso, Yoske Sumitomo, Sen Zhang
  • Journal Title: Phys.Rev. D78 Pages: 105011
  • Peer Reviewed
• [Journal Article] Monte Carlo studies of supersymmetric matrix quantum mechanics with sixteen supercharges at finite temperature (2008)
  • Author(s): Konstantinos N. Anagnostopoulos, Masanori Hanada, Jun Nishimura, Shingo Takeuchi
  • Journal Title: Phys.Rev.Lett. 100 Pages: 021601
  • Peer Reviewed
• [Journal Article] Non-lattice simulation for supersymmetric gauge theories in one dimension (2007)
  • Author(s): Masanori Hanada, Jun Nishimura, Shingo Takeuchi
  • Journal Title: Phys.Rev.Lett. 99 Pages: 161602
  • Peer Reviewed
• [Presentation] アンルー効果 (2010)
  • Author(s): 磯曉
  • Organizer: 日本物理学会2010年年次大会
  • Place of Presentation: 岡山大学
  • Year and Date: 20100320-23
• [Presentation] Quantum Field Theory in de Sitter Space (2010)
  • Author(s): 北澤良久
  • Organizer: KEK理論研究会
  • Year and Date: 2010-03-13
• [Presentation] Numerical Approaches to AdS/CFT, Large N and Gravity (2009)
  • Author(s): 西村淳
  • Organizer: 国際ワークショップ
  • Place of Presentation: Imperial College、ロンドン、イギリス
  • Year and Date: 20090928-20091020
• [Presentation] 超弦理論の数値シミュレーション (2009)
  • Author(s): 西村淳
  • Organizer: 日本物理学会2009年秋季大会
  • Place of Presentation: 甲南大学岡本キャンパス
  • Year and Date: 20090910-20090913
• [Presentation] Non-lattice simulation of supersymmetric gauge theories as a probe to quantum black holes and strings (2009)
  • Author(s): 西村淳
  • Organizer: LATTICE2009
  • Place of Presentation: 中国、北京大学
  • Year and Date: 20090726-20090731