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Cosmological constant problem, gravity loop and instanton corrections

Research Project

Project/Area Number 24540285
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 InstitutionThe Institute of Physical and Chemical Research (2014)
Chuo University (2012-2013)

Principal Investigator

INAMI Takeo  独立行政法人理化学研究所, 仁科加速器研究センター, 客員研究員 (20012487)

Co-Investigator(Kenkyū-buntansha) KITAZAWA Yoshihisa  大学共同利用機関法人高エネルギー加速器研究機構, 素粒子原子核研究所, 教授 (10195258)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Keywordscosmological problem / quantum gravity / de Sitter space / infrared divergence / cosmological inflation / higher dimensions / 宇宙項 台湾 / 量子重力 台湾 / de Sitter空間 台湾 / 赤外発散 台湾 / 宇宙インフレーション 台湾 / 高次元理論 台湾 / 宇宙項 / de Sitter空間 / 量子重力 / 赤外発散 / Liouville理論 / 国際研究者交流 / 交際情報交換 / 国際共同研究
Outline of Final Research Achievements

We have addressed the questions: 1) to clarify the inflation mechanism based on particle physics theory and 2) to explain the smallness of the observed cosmological constant. We have obtained a few results on these two questions as written below. Concerning 1) we have constructed three new models, a) Higgs inflation model based on higher-dimensional gauge theory, b) radion inflation model based on higher-dimensional gravity, c) radion-Higgs inflation based on the higher-dimensional gravity and gauge theory. The idea of c) was first proposed by us.
Concerning 2), focusing on the two dimensional gravity theory, we have constructed quantum Liouville theory with matter on de Sitter space.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (22 results)

All 2015 2014 2013

All Journal Article (8 results) (of which Peer Reviewed: 8 results,  Open Access: 3 results,  Acknowledgement Compliant: 3 results) Presentation (14 results)

  • [Journal Article] Is cosmological constant screened in Liouville gravity with matter?2015

    • Author(s)
      T.Inami, Y.Koyama, Y.Nakayama
    • Journal Title

      Prog. Theor. Exper. Phys.

      Volume: 発行予定

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Power-counting and renormalizability in Lifshitz scalar theory2015

    • Author(s)
      K.Izumi, T.Inami, K.Izumi, T.Kitamura
    • Journal Title

      Phys. Rev.

      Volume: 発行予定

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Radion stabilization in the presence of a Wilson line phase2014

    • Author(s)
      Yugo Abe, Takeo Inami, Yoshiharu Kawamura, Yoji Koyama
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 073B04 Issue: 7 Pages: 1-10

    • DOI

      10.1093/ptep/ptu097

    • NAID

      120007101208

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Journal Article] Time Dependent Couplings as Observables in de Sitter Space2014

    • Author(s)
      Hiroyuki Kitamoto, Yoshihisa Kitazawa
    • Journal Title

      Int. J. Mod. Phys. A

      Volume: 29 Issue: 08 Pages: 1430016-1430016

    • DOI

      10.1142/s0217751x14300166

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Soft gravitational effects in Kadanoff-Baym approach2013

    • Author(s)
      Hiroyuki Kitamoto, Yoshihisa Kitazawa
    • Journal Title

      JHEP

      Volume: 1310 Issue: 10 Pages: 145-145

    • DOI

      10.1007/jhep10(2013)145

    • Related Report
      2013 Research-status Report
    • Peer Reviewed
  • [Journal Article] Radion Inflation in Higher-Dimensional Gravity Theory2013

    • Author(s)
      Y. Fukazawa, T. Inami, Y. Koyama
    • Journal Title

      Prog Theor and Exp Phys

      Volume: 2013 Issue: 1 Pages: 1A206-0

    • DOI

      10.1093/ptep/pts008

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Journal Article] Soft gravitons screen coupling in de Sitter space2013

    • Author(s)
      Kitamoto, Kitazawa
    • Journal Title

      Int.J.Mod.Phys.Conf.Ser.

      Volume: 21 Pages: 161-162

    • DOI

      10.1142/s2010194513009616

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Journal Article] Scheme dependence of quantum gravity on de Sitter background2013

    • Author(s)
      H. Kitamoto, Y. Kitazawa
    • Journal Title

      Nucl Phys

      Volume: B873 Pages: 325-342

    • Related Report
      2012 Research-status Report
    • Peer Reviewed
  • [Presentation] Lifshitz scalar理論における繰り込み可能性とTree Unitarityの関係2015

    • Author(s)
      北村比孝
    • Organizer
      日本物理学会第70回年次大会
    • Place of Presentation
      早稲田大学 早稲田キャンパス
    • Year and Date
      2015-03-21 – 2015-03-24
    • Related Report
      2014 Annual Research Report
  • [Presentation] Inflation from Higher-Dimensional Gravity and Gauge Theory2015

    • Author(s)
      阿部裕悟
    • Organizer
      日本物理学会第70回年次大会
    • Place of Presentation
      早稲田大学 早稲田キャンパス
    • Year and Date
      2015-03-21 – 2015-03-24
    • Related Report
      2014 Annual Research Report
  • [Presentation] A 2D Model for Gravity and Matter Loop Corrections to the Cosmological Constant2015

    • Author(s)
      Mariko Suzuki
    • Organizer
      KEK Theory Workshop 2015
    • Place of Presentation
      高エネルギー加速器研究機構(茨城県)
    • Year and Date
      2015-01-28 – 2015-01-31
    • Related Report
      2014 Annual Research Report
  • [Presentation] Relation between tree unitarity and renormalizability in Lifshitz scalar theory2014

    • Author(s)
      北村比孝
    • Organizer
      JGRG24
    • Place of Presentation
      IPMU(柏市)
    • Year and Date
      2014-11-10 – 2014-11-14
    • Related Report
      2014 Annual Research Report
  • [Presentation] Inflation from Higher-Dimensional Gravity and Gauge Theory2014

    • Author(s)
      阿部裕悟
    • Organizer
      2nd International Workshop on Particle Physics and Cosmology after Higgs and Planck
    • Place of Presentation
      台湾(新竹,佛光山)
    • Year and Date
      2014-10-08 – 2014-10-11
    • Related Report
      2014 Annual Research Report
  • [Presentation] 高次元理論に基づくインフレーションモデル2014

    • Author(s)
      阿部裕悟
    • Organizer
      中部夏の学校2014
    • Place of Presentation
      東海大学山中湖セミナーハウス(山梨県)
    • Year and Date
      2014-09-05 – 2014-09-08
    • Related Report
      2014 Annual Research Report
  • [Presentation] Cosmological constant problem and lower-dimensional field theory, Liouville theory on de Sitter space2013

    • Author(s)
      Y Koyama
    • Organizer
      PASCOS 2013 (Symposium on Particles, Strings and Cosmology)
    • Place of Presentation
      Taiwan University
    • Related Report
      2013 Research-status Report
  • [Presentation] Tree unitarity in Einstein gravity2013

    • Author(s)
      Y Enomoto
    • Organizer
      PASCOS 2013
    • Place of Presentation
      Taiwan University
    • Related Report
      2013 Research-status Report
  • [Presentation] Quantization and unitarity of Horava-Lifshitz gravity2013

    • Author(s)
      T Kitamura
    • Organizer
      PASCOS 2013
    • Place of Presentation
      Taiwan University
    • Related Report
      2013 Research-status Report
  • [Presentation] Inflation from Higher-Dimensional Gauge and Gravity Theory2013

    • Author(s)
      y Abe
    • Organizer
      PASCOS 2013
    • Place of Presentation
      Taiwan University
    • Related Report
      2013 Research-status Report
  • [Presentation] Inflation from Higher-Dimensional Gauge and Gravity Theory2013

    • Author(s)
      阿部裕悟
    • Organizer
      物理学会2013年秋の分科会
    • Place of Presentation
      高知大学
    • Related Report
      2013 Research-status Report
  • [Presentation] ドジッター時空上のグラビトンループの宇宙項への寄与2013

    • Author(s)
      稲見武夫,小山陽次
    • Organizer
      日本物理学会
    • Place of Presentation
      京都産業大学
    • Related Report
      2012 Research-status Report
  • [Presentation] 提示現場の理論における宇宙項Λの赤外遮蔽効果 II2013

    • Author(s)
      鈴木真理子,稲見武夫,小山陽次
    • Organizer
      日本物理学会
    • Place of Presentation
      京都産業大学
    • Related Report
      2012 Research-status Report
  • [Presentation] 高次元重力理論の量子効果と時空の4次元性2013

    • Author(s)
      深澤裕一,稲見武夫,小山陽次
    • Organizer
      日本物理学会
    • Place of Presentation
      京都産業大学
    • Related Report
      2012 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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