• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Study on future galaxy redshift survey for testing dark energy

Research Project

Project/Area Number 18540277
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Particle/Nuclear/Cosmic ray/Astro physics
Research InstitutionHiroshima University

Principal Investigator

YAMAMOTO Kazuhiro  Hiroshima University, 大学院・理学研究科, 准教授 (50284154)

Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,730,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥330,000)
Fiscal Year 2008: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2007: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2006: ¥2,300,000 (Direct Cost: ¥2,300,000)
Keywordsダークエネルギー / 重力理論 / 大規模銀河サーベイ / フーリエ解析 / 暗黒エネルギー / 宇宙の大規模構造 / バリオン音響振動 / 非線形 / 重力レンズ
Research Abstract

本研究では, SDSS銀河サンプルのパワースペクトル解析を実行しながら, 現在の観測データ, 及び将来のWFMOSサーベイを想定した大規模赤方偏移探査によって, 拡張重力模型のテストが可能になることを示した。また, バリオン音響振動に対する精密な理論予言のために, 摂動理論の高次項を計算することによって, 密度揺らぎの準非線形効果による影響を明らかにした。特に, バリオン音響振動の減衰について準解析的な表式を導出し, SDSS・LRGサンプルのバリオン音響振動に減衰が見いだされることを示した。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (26 results)

All 2009 2008 2007 2006

All Journal Article (11 results) (of which Peer Reviewed: 10 results) Presentation (15 results)

  • [Journal Article] Confronting the damping of the baryon acoustic oscillations with observations2009

    • Author(s)
      H.Nomura, K. Yamamoto, G. Huetsi, T. Nishimichi
    • Journal Title

      Physical Review D Vol.79

      Pages: 0635121-7

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Confronting the damping of the baryon acoustic oscillations with observation2009

    • Author(s)
      H. Nomura, K. Yamamoto G. Huetsi, T. Nishimichi
    • Journal Title

      Physical Review D 79

      Pages: 635121-7

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Damping of the baryon acoustic oscillations in the matter power spectrum as a probe of the growth factor2008

    • Author(s)
      H.Nomura, K. Yamamoto, T. Nishimichi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics Vol.10

      Pages: 31-31

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Testing general relativity with the multipole spectra of the SDSS luminous red galaxies2008

    • Author(s)
      K. Yamamoto, T. Sato, G. Huetsi
    • Journal Title

      Progress of Theoretical Physics Vol.120

      Pages: 609-614

    • NAID

      110006950250

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Testing general relativity with the multipole spectra of the SDSS luminous red galaxies2008

    • Author(s)
      K. Yamamoto, T. Sato, G. Huetsi
    • Journal Title

      Progress of Theoretical Physics 120

      Pages: 609-614

    • NAID

      110006950250

    • Related Report
      2008 Annual Research Report 2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Damping of the baryon acoustic oscillations in the matter power spectrum as a probe of the growth factor2008

    • Author(s)
      H. Nomura, K. Yamamoto T. Nishimichi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 10

      Pages: 0311-23

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Damping of the baryon acoustic oscillations in the matter power spectrum as a probe of the growth factor2008

    • Author(s)
      H. Nomura, K. Yamamoto, T. Nishimichi
    • Journal Title

      Journal of Cosmolbgy and Astrop article Physics 10

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Characteristic Scales of Baryon Acoustic Oscillations from Perturbation Theory : Non-linearity and Redshift-Space Distortion Effects2007

    • Author(s)
      T.Nishimichi, H.Ohmuro, M.Nakamichi, A.Taruya, K.Yahata, A.Shirata, S.Saito, H.Nomura, K.Yamamoto, Y.Suto
    • Journal Title

      Publication of Astronomical Society of Japan Vol.59

      Pages: 1049-1060

    • NAID

      10023947637

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Optimizing future imaging survey of galaxies to confront dark energy and modified gravity models2007

    • Author(s)
      K. Yamamoto, D. Parkinson, T. Hamana, R. C. Nichol, Y. Suto
    • Journal Title

      Physical Review D Vol.76

      Pages: 0235041-10

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Searching for modified gravity with baryon oscillations : from SDSS to wide field multiobject spectroscopy (WFMOS)2006

    • Author(s)
      K.Yamamoto, B.A.Bassett, R.C.Nichol, Y.Suto, K.Yahata
    • Journal Title

      Physical Review D Vol.74

      Pages: 0635251-11

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Searching for modified gravity with baryon oscillations : From SDSS to wide field multiobject spectroscopy (WFMOS)2006

    • Author(s)
      K.Yamamoto, B.A.Bassett, R.C.Nichol, Y.Suto, K.Yahata
    • Journal Title

      Physical Review D 74

      Pages: 63525-63525

    • Related Report
      2006 Annual Research Report
  • [Presentation] 観測的宇宙論2009

    • Author(s)
      山本一博
    • Organizer
      第2回「超弦理論と宇宙研究会」
    • Place of Presentation
      城之崎
    • Year and Date
      2009-02-19
    • Related Report
      2008 Final Research Report
  • [Presentation] 観測的宇宙論2009

    • Author(s)
      山本一博
    • Organizer
      研究会 第2回 超弦理論と宇宙
    • Place of Presentation
      兵庫県城崎温泉湯島
    • Year and Date
      2009-02-19
    • Related Report
      2008 Annual Research Report
  • [Presentation] Testing gravity on the cosmological scales2009

    • Author(s)
      山本一博
    • Organizer
      すばるユーザーズミーティング
    • Place of Presentation
      三鷹市国立天文台
    • Year and Date
      2009-01-14
    • Related Report
      2008 Final Research Report
  • [Presentation] Testing Gravity on the Cosmological Scales2009

    • Author(s)
      山本一博
    • Organizer
      すばるユーザーズミーティング
    • Place of Presentation
      東京都三鷹市 国立天文台
    • Year and Date
      2009-01-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] SDSS LRG銀河の多重極パワースペクトル測定と重力理論のテスト2008

    • Author(s)
      佐藤貴浩
    • Organizer
      日本天文学会2008年秋季年会
    • Place of Presentation
      岡山理科大学(岡山市)
    • Year and Date
      2008-09-11
    • Related Report
      2007 Annual Research Report
  • [Presentation] Testing gravity with large galaxy redshift surveys, Cosmology Near and Far2008

    • Author(s)
      山本一博
    • Organizer
      Science with WFMO
    • Place of Presentation
      Nona, Hawaii, USA
    • Year and Date
      2008-05-21
    • Related Report
      2008 Final Research Report
  • [Presentation] Testing gravity with large galaxy redshift surveys2008

    • Author(s)
      山本一博
    • Organizer
      Cosmology Near and Far : Science with WFMOS
    • Place of Presentation
      Kona, Hawaii, USA
    • Year and Date
      2008-05-21
    • Related Report
      2008 Annual Research Report
  • [Presentation] Testing general relativity on the cosmological scales using dark energy surveys2008

    • Author(s)
      山本一博
    • Organizer
      Workshop of Theoretical Physics 2008
    • Place of Presentation
      Bogor Agriculture University, Indonesia
    • Year and Date
      2008-05-14
    • Related Report
      2008 Final Research Report
  • [Presentation] Testing general relativity on the cosmological scales using dark energy surveys2008

    • Author(s)
      山本一博
    • Organizer
      Workshop of Theoretical Physics 2008
    • Place of Presentation
      Bogor Agriculture Univers-ity, Indonesia
    • Year and Date
      2008-05-14
    • Related Report
      2008 Annual Research Report
  • [Presentation] 大規模構造を用いた重力模型のテスト2008

    • Author(s)
      山本一博
    • Organizer
      HSC 研究会
    • Place of Presentation
      アクアヴィラ伊勢志摩
    • Year and Date
      2008-03-06
    • Related Report
      2008 Final Research Report
  • [Presentation] Observational tests of modified gravity models with future imaging survey of galaxies, Decrypting the universe2007

    • Author(s)
      山本一博
    • Organizer
      Large surveys for cosmology
    • Place of Presentation
      Edinburgh, Scotland, UK
    • Year and Date
      2007-10-25
    • Related Report
      2008 Final Research Report
  • [Presentation] Optimizing Weak Lensing Surveys for Dark Energy and Modified Gravity Models2007

    • Author(s)
      山本一博
    • Organizer
      Cosmology with Wide-field Imaging Surveys of Galaxies
    • Place of Presentation
      東京大学小柴ホール
    • Year and Date
      2007-06-07
    • Related Report
      2008 Final Research Report
  • [Presentation] HSC/WFMOS サーベイパラメータの最適化2007

    • Author(s)
      山本一博
    • Organizer
      Hyper Suprime-Camをめぐるサイエンス検討会
    • Place of Presentation
      仙台市青葉区作並岩松旅館
    • Year and Date
      2007-03-13
    • Related Report
      2008 Final Research Report
  • [Presentation] Testing modified Gravity with large scale structures2006

    • Author(s)
      山本一博
    • Organizer
      Cosmology with wide-field photometric and spectroscopic galaxy surveys
    • Place of Presentation
      東京大学小柴ホール
    • Year and Date
      2006-11-10
    • Related Report
      2008 Final Research Report
  • [Presentation] 大規模構造を用いた加速宇宙模型のテスト2006

    • Author(s)
      山本一博
    • Organizer
      第5回「宇宙における時空・物質・構造の進化」研究会
    • Place of Presentation
      鬼怒川コンベンションホール
    • Year and Date
      2006-09-04
    • Related Report
      2008 Final Research Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi