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Conformally invariant Higgs gravity

Research Project

Project/Area Number 16K05327
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionUniversity of the Ryukyus

Principal Investigator

ODA Ichiro  琉球大学, 理学部, 教授 (40265517)

Project Period (FY) 2016-04-01 – 2019-03-31
Project Status Completed (Fiscal Year 2018)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2018: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2017: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2016: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Keywords量子重力 / 共形不変性 / 暗黒物質 / 階層性の問題 / 量子重力理論 / 共形対称性 / プランクスケール / ワインバーグの定理 / 宇宙項の問題 / 偽のコンフォーマル対称性 / ワイル・横波方向の対称性を持つ重力理論 / 位相的な重力理論 / 重力理論
Outline of Final Research Achievements

In 2008, at the CERN in the suburb of Geneva in Switzerland,the LHC (Large Hadron Collider)started to run, and in 2012 the Higgs particle was discovered, thereby certifying eventually the correctness of the Standard Model of elementary particles. Consequently, in 2013, Dr. Higgs and Dr. Englert have won the Nobel Prize of Physics. After that, however, in spite of intensive experiments searching for new elementary particles except the Higgs particle, there is no evidence of the discovery of them so far. Some people therefore start to conjecture seriously that at the electroweak scale we have the standard Model and at the Planck energy scale quantum gravity becomes dominant. In our works, we have constructed various models of quantum gravity by taking the conformal symmetry as the fundamental principle, and then investigated many of physical properties of our models.

Academic Significance and Societal Importance of the Research Achievements

現在の素粒子物理学には未解決の多くの問題が存在する。2013年にジュネーブ郊外にあるLHCでヒッグス粒子が発見され、素粒子の標準模型の正しさが証明された。しかし、この理論を用いても理解できない問題、例えば、暗黒物質や暗黒エネルギーの起源や物理的な性質、が存在する。そのために標準理論を超える理論の構築が必要とされている。我々は、共形不変性という対称性を指導原理として採用し、色々な量子重力理論を構成し、その物理的性質を明らかにした。特に、暗黒物質や階層性の問題の解決に取り組んだ。

Report

(4 results)
  • 2018 Annual Research Report   Final Research Report ( PDF )
  • 2017 Research-status Report
  • 2016 Research-status Report
  • Research Products

    (17 results)

All 2018 2017 2016

All Journal Article (15 results) (of which Peer Reviewed: 15 results,  Acknowledgement Compliant: 6 results,  Open Access: 4 results) Presentation (2 results) (of which Int'l Joint Research: 2 results,  Invited: 2 results)

  • [Journal Article] Cosmic acceleration in the nonlocal approach to the cosmological constant problem2018

    • Author(s)
      Oda Ichiro
    • Journal Title

      The European Physical Journal C

      Volume: 78 Issue: 4 Pages: 294-294

    • DOI

      10.1140/epjc/s10052-018-5780-6

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] More on Weinberg’s no-go theorem in quantum gravity2018

    • Author(s)
      Nagahama Munehiro、Oda Ichiro
    • Journal Title

      Physical Review D

      Volume: 97 Issue: 10 Pages: 104043-104043

    • DOI

      10.1103/physrevd.97.104043

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Planck and electroweak scales emerging from conformal gravity2018

    • Author(s)
      Oda Ichiro
    • Journal Title

      The European Physical Journal C

      Volume: 78 Issue: 10 Pages: 798-798

    • DOI

      10.1140/epjc/s10052-018-6289-8

    • Related Report
      2018 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Schwarzschild solution from Weyl transverse gravity2017

    • Author(s)
      Ichiro Oda
    • Journal Title

      Modern Physics Letters A

      Volume: 32 Issue: 03 Pages: 1750022-1750022

    • DOI

      10.1142/s0217732317500225

    • Related Report
      2017 Research-status Report 2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Topological Induced Gravity2017

    • Author(s)
      Ichiro Oda
    • Journal Title

      International Journal of Modern Physics D

      Volume: 26 Issue: 03 Pages: 1750023-1750023

    • DOI

      10.1142/s0218271817500237

    • Related Report
      2017 Research-status Report 2016 Research-status Report
    • Peer Reviewed
  • [Journal Article] Classical Weyl Transverse Gravity2017

    • Author(s)
      Ichiro Oda
    • Journal Title

      The European Physical Journal C

      Volume: 77 Issue: 5

    • DOI

      10.1140/epjc/s10052-017-4843-4

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Manifestly Local Formulation of Nonlocal Approach to the Cosmological Constant Problem2017

    • Author(s)
      Ichiro Oda
    • Journal Title

      Physical Review D

      Volume: 95 Issue: 10

    • DOI

      10.1103/physrevd.95.104020

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Quantum Aspects of Nonlocal Approach to the Cosmological Constant Problem2017

    • Author(s)
      Ichiro Oda
    • Journal Title

      Physical Review D

      Volume: 96 Issue: 2

    • DOI

      10.1103/physrevd.96.024027

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Weinberg No Go Theorem in Quantum Gravity2017

    • Author(s)
      Ichiro Oda
    • Journal Title

      Physical Review D

      Volume: 96 Issue: 12

    • DOI

      10.1103/physrevd.96.124012

    • Related Report
      2017 Research-status Report
    • Peer Reviewed
  • [Journal Article] Gravitational Quantum Effects and Nonlocal Approach to the Cosmological Constant Problem2017

    • Author(s)
      Ichiro Oda
    • Journal Title

      Advanced Studies in Theoretical Physics

      Volume: 11 Issue: 12 Pages: 731-745

    • DOI

      10.12988/astp.2017.71153

    • Related Report
      2017 Research-status Report
    • Peer Reviewed / Open Access
  • [Journal Article] Induced gravity from curvature density preserving diffeomorphisms2016

    • Author(s)
      Ichiro Oda
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2016 Issue: 8 Pages: 081B01-081B01

    • DOI

      10.1093/ptep/ptw107

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Induced Gravity and Topological Quantum Field Theory2016

    • Author(s)
      Ichiro Oda
    • Journal Title

      Advanced Studies in Theoretical Physics

      Volume: 10 Pages: 319-329

    • DOI

      10.12988/astp.2016.6522

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Fake Conformal Symmetry in Unimodular Gravity2016

    • Author(s)
      Ichiro Oda
    • Journal Title

      Physical Review D

      Volume: 94 Issue: 4 Pages: 044032-044032

    • DOI

      10.1103/physrevd.94.044032

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Reissner-Nordstrom Solution from Weyl Transverse Gravity2016

    • Author(s)
      Ichiro Oda
    • Journal Title

      Modern Physics Letters A

      Volume: 31 Issue: 36 Pages: 1650206-1650206

    • DOI

      10.1142/s0217732316502060

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Cosmology in Weyl Transverse Gravity2016

    • Author(s)
      Ichiro Oda
    • Journal Title

      Modern Physics Letters A

      Volume: 31 Pages: 1650218-1650218

    • Related Report
      2016 Research-status Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] Planck and electroweak scales emerging from conformal gravity2018

    • Author(s)
      Ichiro Oda
    • Organizer
      Workshop on the Standard Model and Beyond, Corfu Summer Institute, Greece
    • Related Report
      2018 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] Cosmological Constant Problem and Nonlocal Approaches2017

    • Author(s)
      Ichiro Oda
    • Organizer
      “The Beauty of Theory”. Mario Tonin Memorial Conference
    • Related Report
      2017 Research-status Report
    • Int'l Joint Research / Invited

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Published: 2016-04-21   Modified: 2020-03-30  

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