Elucidation of Dark Energy from the viewpoint of Elementary Particle Theory

• Project/Area Number: 18549001
• 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: Nagoya University
• Principal Investigator: NOJIRI Shin'ichi Nagoya University, 大学院・理学研究科, 教授 (00432229)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥3,820,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥420,000); Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2007: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2006: ¥2,000,000 (Direct Cost: ¥2,000,000)
• Keywords: 素粒子物理 / 暗黒エネルギー / 宇宙の加速膨張 / 超弦理論 / 重力理論 / インフレーション

Research Abstract

宇宙の様々な観測から、現在の宇宙の膨張の速さが約50 億年前から増加に転じ、宇宙が暗黒エネルギーという負の圧力を持つ未知のエネルギーで満たされていることが明らかになった。本研究ではその暗黒エネルギーの起源を超弦理論のような高次元の素粒子の模型に求める研究を行い、超弦理論に現れる粒子のモードや超弦理論からの重力理論への補正を取り入れることにより、実際に観測と矛盾のない模型を構築し、その検証の可能性を調べた。

Research Products

• [Journal Article] Accelerating cosmologies from non-local higher-derivative gravity (2009)
  • Author(s): S. Capozziello, E. Elizalde, S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Lett B671 Pages: 193-198
  • Peer Reviewed
• [Journal Article] Accelerating cosmologies from non-local higher-derivative gravity (2009)
  • Author(s): S. Capozziello, E. Elizalde, S. Nojiri, S. D. Odintsov
  • Journal Title: Phys. Lett. B671 Pages: 193-198
  • Peer Reviewed
• [Journal Article] Delicate f(R)gravity models with disappearing cosmological constant and observational constraints on the model parameters (2008)
  • Author(s): A. Dev, D. Jain, S. Jhingan, S. Nojiri, M. Sami, I. Thongkool
  • Journal Title: Phys. Rev D78 Pages: 83515-83515
  • Peer Reviewed
• [Journal Article] The Universe future in modified gravity theories: Approaching the finite-time future singularity (2008)
  • Author(s): K. Bamba, S. Nojiri, S.D. Odintsov
  • Journal Title: JCAP 0810 Pages: 45-45
  • Peer Reviewed
• [Journal Article] The Future evolution and finite-time singularities in F(R)-gravity unifying the inflation and cosmic acceleration (2008)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Rev D78 Pages: 46006-46006
  • NAID: 120001151492
  • Peer Reviewed
• [Journal Article] Inflationary cosmology and the late-time accelerated expansion of the universe in non-minimal Yang-Mills-F(R)gravity and non-minimal vector-F(R)gravity (2008)
  • Author(s): K. Bamba, S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Rev D77 Pages: 123532-123532
  • NAID: 120001151493
  • Peer Reviewed
• [Journal Article] Phantom and non-phantom dark energy: The Cosmological relevance of non-locally corrected gravity (2008)
  • Author(s): S. Jhingan, S. Nojiri, S.D. Odintsov, M. Sami, I Thongkool, S. Zerbini
  • Journal Title: Phys. Lett B663 Pages: 424-428
  • Peer Reviewed
• [Journal Article] Reconstructing the universe history, from inflation to acceleration, with phantom and canonical scalar fields (2008)
  • Author(s): E. Elizalde, S. Nojiri, S.D. Odintsov, D. Saez, V. Faraoni
  • Journal Title: Phys. Rev D77 Pages: 106005-106005
  • NAID: 120001151494
  • Peer Reviewed
• [Journal Article] A Class of viable modified f(R)gravities describing inflation and the onset of accelerated expansion (2008)
  • Author(s): G. Cognola, E. Elizalde, S. Nojiri, S.D. Odintsov, L. Sebastiani, S. Zerbini
  • Journal Title: Phys. Rev D77 Pages: 46009-46009
  • Peer Reviewed
• [Journal Article] From inflation to dark energy in the non-minimal modified gravity (2008)
  • Author(s): S. Nojiri, S.D. Odintsov, P.V. Tretyakov
  • Journal Title: Prog. Theor. Phys. Suppl 172 Pages: 81-89
  • NAID: 110006820196
  • Peer Reviewed
• [Journal Article] Modified f(R)gravity unifying R**m inflation with Lambda CDM epoch (2008)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Rev. D77 Pages: 26007-26007
  • Peer Reviewed
• [Journal Article] Modified non-local-F(R)gravity as the key for the inflation and dark energy (2008)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Lett. B659 Pages: 821-826
  • Peer Reviewed
• [Journal Article] Dark energy generated from a (super)string effective action with higher order curvature corrections and a dynamical dilaton (2008)
  • Author(s): E. Elizalde, S. Jhingan, S. Nojiri, S.D. Odintsov, M. Sami, I. Thongkool
  • Journal Title: Eur. Phys. J. C53 Pages: 447-457
  • Peer Reviewed
• [Journal Article] Delicate f(R)gravity models with disappearing cosmological constant and observational constraints on the model parameters (2008)
  • Author(s): A. Dev, D. Jain, S. Jhingan, S. Nojiri, M. Sami, I. Thongkool
  • Journal Title: Phys. Rev. D78 Pages: 83515-83515
  • Peer Reviewed
• [Journal Article] The Universe future in modified gravity theories : Approaching the finite-time future singularity (2008)
  • Author(s): K. Bamba, S. Nojiri, S. D. Odintsov
  • Journal Title: JCAP 0810 Pages: 45-45
  • Peer Reviewed
• [Journal Article] The Future evolution and finite-time singularities in F(R)-gravity unifying the inflation and cosmic acceleration (2008)
  • Author(s): S. Noiiri, S. D. Odintsov
  • Journal Title: Phys. Rev. D78 Pages: 46006-46006
  • Peer Reviewed
• [Journal Article] Inflationary cosmology and the late-time accelerated expansion of the universe in non-minimal Yang-Mills-F(R)gravity and non-minimal vector-F(R)gravity (2008)
  • Author(s): K. Bamba, S. Nojiri, S. D. Odintsov
  • Journal Title: Phys. Rev. D77 Pages: 123532-123532
  • NAID: 120001151493
  • Peer Reviewed
• [Journal Article] Phantom and non-phantom dark energy : The Cosmological relevance of non-locally corrected gravity (2008)
  • Author(s): S. Jhingan, S. Nojiri, S. D. Odintsov, M. Sami, I Thongkool, S. Zerbini
  • Journal Title: Phys. Lett. B663 Pages: 424-428
  • Peer Reviewed
• [Journal Article] Reconstructing the universe history, from inflation to accelera tion, with phantom and canonical scalar fields (2008)
  • Author(s): E. Elizalde, S. Nojiri, S. D. Odintsov, D. Saez, V. Faraoni
  • Journal Title: Phys. Rev. D77 Pages: 106005-106005
  • Peer Reviewed
• [Journal Article] Dark energy generated from a (super) string effective action with higher order curvature corrections and a dynamical dilaton (2008)
  • Author(s): E. Elizalde, S. Jhingan, S. Nojiri, S.D. Odintsov, M. Sami, I. Thongkool
  • Journal Title: Eur. Phys. J. C53 Pages: 447-457
  • Peer Reviewed
• [Journal Article] Modified non-local-F(R)gravity as the key for the inflation and dark energy (2008)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys.Lett. B659 Pages: 821-826
  • Peer Reviewed
• [Journal Article] Modified f(R)gravity unifying R**m inflation with Lambda CDM epoch (2008)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys.Rev. D77 Pages: 26007-26007
  • Peer Reviewed
• [Journal Article] A Class of viable modified f(R)gravities describing inflation and the onset of accelerated expansion (2008)
  • Author(s): G. Cognola, E. Elizalde, S. Nojiri, S.D. Odintsov, L. Sebastiani, S. Zerbini
  • Journal Title: Phys.Rev. D77 Pages: 46009-46009
  • Peer Reviewed
• [Journal Article] Unifying inflation with LambdaCDM epoch in modified f(R)gravity consistent with Solar System tests (2007)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Lett. B657 Pages: 238-245
  • Peer Reviewed
• [Journal Article] Newton law corrections and instabilities in f(R)gravity with the effective cosmological constant epoch (2007)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Lett. B652 Pages: 343-348
  • Peer Reviewed
• [Journal Article] Dark energy from modified F(R) -scalar-Gauss-Bonnet gravity (2007)
  • Author(s): S. Nojiri, S.D. Odintsov, P.V. Tretyakov
  • Journal Title: Phys. Lett. B651 Pages: 224-231
  • Peer Reviewed
• [Journal Article] Multiple Lambda cosmology: Dark fluid with time-dependent equation of state as classical analog of cosmological landscape (2007)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Lett. B649 Pages: 440-444
  • Peer Reviewed
• [Journal Article] Phantom scalar dark energy as modified gravity: Understanding the origin of the Big Rip singularity (2007)
  • Author(s): F. Briscese, E. Elizalde, S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Lett. B646 Pages: 105-111
  • Peer Reviewed
• [Journal Article] String-inspired Gauss-Bonnet gravity reconstructed from the universe expansion history and yielding the transition from matter dominance to dark energy (2007)
  • Author(s): G. Cognola, E. Elizalde, S. Nojiri, S. Odintsov, S. Zerbini
  • Journal Title: Phys. Rev. D75 Pages: 86002-86002
  • NAID: 120000975378
  • Peer Reviewed
• [Journal Article] Modified gravity and its reconstruction from the universe expansion history (2007)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: J. Phys. Conf. Ser. 66 Pages: 12005-12005
  • Peer Reviewed
• [Journal Article] Modified gravity as an alternative for Lambda-CDM cosmology (2007)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: J. Phys. A40 Pages: 6725-6732
  • Peer Reviewed
• [Journal Article] String-inspired Gauss-Bonnet gravity reconstructed from the universe expansion history and yielding the transition from matte (2007)
  • Author(s): G. Cognola, E. Elizalde, S. Nojiri, S. Odintsov, S. Zerbini
  • Journal Title: Phys. Rev. D75 Pages: 86002-86002
  • Peer Reviewed
• [Journal Article] Dark energy from modified F(R)-scalar-Gauss-Bonnet gravity (2007)
  • Author(s): S. Nojiri, S.D. Odintsov, P.V. Tretyakov
  • Journal Title: Phys. Lett. B651 Pages: 224-231
  • Peer Reviewed
• [Journal Article] Unifying inflation with LambdaCDM epoch in modified f(R)gravity consistent with Solar System tests (2007)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys.Lett. B657 Pages: 238-245
  • Peer Reviewed
• [Journal Article] Phantom scalar dark energy as modified gravity : Understanding the origin of the Big Rip singularity (2007)
  • Author(s): F.Briscere, E.Elizalde, S.Nojiri, S.D.Odintsov
  • Journal Title: Physics Letters B646 Pages: 105-111
• [Journal Article] On the way from matter-dominated era to dark energy universe (2006)
  • Author(s): S. Nojiri, S.D. Odintsov, H. Stefancic
  • Journal Title: Phys. Rev. D74 Pages: 86009-86009
  • Peer Reviewed
• [Journal Article] Modified f(R)gravity consistent with realistic cosmology: From matter dominated epoch to dark energy universe (2006)
  • Author(s): S. Nojiri, S.D. Odintsov
  • Journal Title: Phys. Rev. D74 Pages: 86005-86005
  • NAID: 120000975373
  • Peer Reviewed
• [Journal Article] Modified f(R) gravity consistent with realistic cosmology : From matter dominated epoch to dark energy universe (2006)
  • Author(s): Shin ichi Nojiri, Sergei D. Odintsov
  • Journal Title: Physical Review D74 Pages: 86005-86005
  • NAID: 120000975373
• [Journal Article] On the way from matter-dominated era to darK energy universe (2006)
  • Author(s): Shin ichi Nojiri, Sergei D. Odintsov, H. Stefancic
  • Journal Title: Physical Review D74 Pages: 86009-86009
• [Presentation] Recent Topics in f(R) Gravity (2008)
  • Author(s): 野尻伸一
  • Organizer: Indo-Japan Workshop on Cosmology, Jamia Millia Islamia
  • Place of Presentation: New Delhi, India
  • Year and Date: 2008-12-07
• [Presentation] Recent Topics in f(R) Gravity (2008)
  • Author(s): 野尻伸一
  • Organizer: Indo-Japan Workshop on Cosmology
  • Place of Presentation: Jamia Millia Islamia
  • Year and Date: 2008-12-07
• [Presentation] Can F(R)-gravity be a viable mode (2007)
  • Author(s): 野尻伸一
  • Organizer: JGRG17, The 17th Workshop on General Relativity and Gravitation in Japan, Nagoya University
  • Place of Presentation: Nagoya, Japan
  • Year and Date: 2007-12-03
• [Presentation] Can F(R)-gravity be a viable model? (2007)
  • Author(s): S. Nojiri
  • Organizer: The 17th Workshop on General Relativity and Gravitation in Japan
  • Place of Presentation: 名古屋大学
  • Year and Date: 2007-12-03
• [Presentation] Modified Gauss-Bonnet gravity as dark energy (2007)
  • Author(s): 野尻伸一
  • Organizer: QFTG'07, QUANTUM FIELD THEORY AND GRAVITY, Tomsk State Pedagogical University
  • Place of Presentation: Tomsk, Russia
  • Year and Date: 2007-07-02
• [Presentation] Modified Gauss-Bonnet gravity as dark energy (2007)
  • Author(s): S. Nojiri
  • Organizer: The International School/Seminar Quantum Field Theory and Gravity
  • Place of Presentation: Tomsk, Russia
  • Year and Date: 2007-07-02