Construction of the four-dimensional cosmology in the string theory

2010 Fiscal Year Self-evaluation Report

• Project/Area Number: 20740147
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: Particle/Nuclear/Cosmic ray/Astro physics
• Research Institution: Kinki University (2009-2011); Osaka City University (2008)
• Principal Investigator: UZAWA Kunihito Osaka City University, 理工学部, 研究員 (50378931)
• Project Period (FY): 2008 – 2011
• Keywords: 素粒子論 / 宇宙物理 / 相対論・重力(理論) / 超重力理論

Research Abstract

本研究では10次元ヘテロ型超重力理論において4次元ド・ジッター時空と内部空間の安定化を実現するモデルを高次元アインシュタイン方程式の解から導くことを目指す。更に、得られた解をもとに4次元時空や内部空間の進化、他の超重力理論のモデルとの関連性ついて一般相対性理論の手法を用いて明らかにする。また、宇宙定数問題を解決できるかどうかについても調べる。

Research Products

• [Journal Article] Cosmological intersecting brane solutions (2010)
  • Author(s): 南辻真人、太田信義、鵜沢報仁
  • Journal Title: Physical Review D VOL.82 Pages: 086002-1-086002-30
  • Peer Reviewed
• [Journal Article] Dynamical p-branes with a cosmological constant (2010)
  • Author(s): 前田恵一、南辻真人、太田信義、鵜沢報仁
  • Journal Title: Physical Review D VOL.82 Pages: 046007-1-046007-10
  • Peer Reviewed
• [Journal Article] Dynamical solutions in the 3-Form Field Background in the Nishino-Salam-Sezgin Model (2010)
  • Author(s): 南辻真人、太田信義、鵜沢報仁
  • Journal Title: Physical Review D VOL.81 Pages: 126005-1-126005-13
  • Peer Reviewed
• [Journal Article] Dynamical D4-D8 and D3-D7 branes in supergravity (2009)
  • Author(s): Pierre Binetruy、佐々木節、鵜沢報仁
  • Journal Title: Physical Review D VOL.80 Pages: 026001-1-026001-11
  • Peer Reviewed
• [Journal Article] Dynamics of intersecting brane systems-Classification and their applications- (2009)
  • Author(s): 前田恵一、太田信義、鵜沢報仁
  • Journal Title: Journal of High Energy Physics VOL.6 Pages: 051-1-051-41
  • Peer Reviewed
• [Presentation] Cosmological intersecting brane solutions in string theory (2010)
  • Author(s): 鵜沢報仁
  • Organizer: PASCOS 2010
  • Place of Presentation: Instituto de Fisica Corpuscular、Valencia、Spain
  • Year and Date: 2010-07-19
• [Presentation] Dynamical intersecting branes (2009)
  • Author(s): 鵜沢報仁
  • Organizer: CosPA 2009
  • Place of Presentation: University of Melbourne、 Melbourne、Australia
  • Year and Date: 2009-11-18
• [Presentation] Dynamics of intersecting brane systems (2009)
  • Author(s): 鵜沢報仁
  • Organizer: The 12th Marcel Grossmann Meeting
  • Place of Presentation: Ecole Normale Superieure、Paris、 France
  • Year and Date: 2009-07-16
• [Presentation] Dynamical intersecting brane solutions of supergravity (2009)
  • Author(s): 鵜沢報仁
  • Organizer: SUSY09
  • Place of Presentation: Northeastern University、Boston、USA
  • Year and Date: 2009-06-06
• [Presentation] Classification of dynamical intersecting brane solutions (2008)
  • Author(s): 鵜沢報仁
  • Organizer: Miami 2008
  • Place of Presentation: Lago Mar Resort、Fort Lauderdale、USA
  • Year and Date: 2008-12-18