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CHIBA Takeshi  千葉 剛

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千葉 剛  チバ タケシ

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Researcher Number 40324602
Other IDs
Affiliation (Current) 2025: 日本大学, 文理学部, 教授
Affiliation (based on the past Project Information) *help 2022 – 2023: 日本大学, 文理学部, 教授
2009 – 2019: Nihon University, 文理学部, 教授
2013 – 2014: 日本大学, 文理学部, 准教授
2007 – 2008: 日本大学, 文理学部, 准教授
2004 – 2006: 日本大学, 文理学部, 助教授
2001 – 2003: 京都大学, 大学院・理学研究科, 助手
2002: 京都大学, 大学院・理学研究所, 助手
Review Section/Research Field
Principal Investigator
Particle/Nuclear/Cosmic ray/Astro physics / Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics / Science and Engineering / 素粒子・核・宇宙線
Except Principal Investigator
Science and Engineering / Particle/Nuclear/Cosmic ray/Astro physics / Science and Engineering
Keywords
Principal Investigator
重力理論 / ダークエネルギー / 宇宙背景輻射 / 等価原理 / 宇宙背景放射 / 宇宙定数 / 重力定数 / ダークマター / 宇宙論パラメター / 物理定数 / 重力レンズ / 宇宙項 … More
Except Principal Investigator
… More 重力波 / 修正重力理論 / インフレーション宇宙 / 宇宙物理 / ブラックホール / インフレーション / 応用光学・量子光光学 / 光コム / 応用光学・量子光工学 / 光学赤外線天文学 / 拡張重力理論 / 非ガウス揺らぎ / ブレーン宇宙 / 動的コンパクト化 / 高次元時空 / 高次元ブラックホール / 非線形曲率揺らぎ / 共形同値計量 / ガリレオン場 / 宇宙の非ガウス揺らぎ / 曲率揺らぎ / 宇宙論的非ガウス揺らぎ / 宇宙論的非ガウス性 / 宇宙論的非線形揺らぎ / 宇宙の曲率揺らぎ / 暗黒エネルギー / 宇宙背景輻射 / 宇宙の大規模構造 / 宇宙論的非線形摂動 / 超重力統一理論 / Bモード / インフレーション宇宙モデル / 宇宙ゆらぎ / Bモード / インフレーション宇宙模型 / 量子重力 / 素粒子論 / CMBゆらぎ / 究極理論 / 宇宙論 / 暗黒物質 / 原始重力波 / 宇宙背景放射 / 超弦理論 / 超重力理論 / ゆらぎ / 理論天文学 / レーザー干渉計 / 一般相対論 / γ線バースト / 重力レンズ / 重力理論 / ブレーンワールド / ポストニュートン展開 / 重力波メモリー効果 / ダークエネルギー / DECIGO / BBO / ガンマ線バースト / カーター定数 / 中性子星 / 数値相対論 / 輻射反作用 Less
  • Research Projects

    (11 results)
  • Research Products

    (148 results)
  • Co-Researchers

    (36 People)
  •  Equivalence principle - from classical particles to quantum wave packets -Principal Investigator

    • Principal Investigator
      千葉 剛
    • Project Period (FY)
      2022 – 2025
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 15010:Theoretical studies related to particle-, nuclear-, cosmic ray and astro-physics
    • Research Institution
      Nihon University
  •  Direct Detection of Cosmic Acceleration by TMT & High Dispersion Spectrograph

    • Principal Investigator
      Usuda Tomonori
    • Project Period (FY)
      2015 – 2019
    • Research Category
      Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
    • Review Section
      Science and Engineering
    • Research Institution
      National Astronomical Observatory of Japan
  •  Gravitational Constant and AstrophysicsPrincipal Investigator

    • Principal Investigator
      CHIBA Takeshi
    • Project Period (FY)
      2012 – 2015
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Particle/Nuclear/Cosmic ray/Astro physics
    • Research Institution
      Nihon University
  •  Quest for the ultimate theory on the basis of direct observations of the early evolution of the universe

    • Principal Investigator
      KODAMA Hideo
    • Project Period (FY)
      2009 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research on Innovative Areas (Research in a proposed research area)
    • Review Section
      Science and Engineering
    • Research Institution
      High Energy Accelerator Research Organization
  •  research on cosmological nonlinear and non-perturbative gravitational phenomena

    • Principal Investigator
      SASAKI Misao
    • Project Period (FY)
      2009 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Particle/Nuclear/Cosmic ray/Astro physics
    • Research Institution
      Kyoto University
  •  宇宙定数のテストPrincipal Investigator

    • Principal Investigator
      千葉 剛
    • Project Period (FY)
      2008 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      Nihon University
  •  Testing general relativity at cosmological distancesPrincipal Investigator

    • Principal Investigator
      CHIBA Takeshi
    • Project Period (FY)
      2008 – 2011
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Particle/Nuclear/Cosmic ray/Astro physics
    • Research Institution
      Nihon University
  •  Development of a laser interferometer for super-high gravitational wave detection and search for gravitational wave sources

    • Principal Investigator
      KAWAMURA Seiji
    • Project Period (FY)
      2005 – 2008
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Particle/Nuclear/Cosmic ray/Astro physics
    • Research Institution
      National Astronomical Observatory of Japan
  •  双重力理論での宇宙モデルのダイナミクスと揺らぎの進化Principal Investigator

    • Principal Investigator
      千葉 剛
    • Project Period (FY)
      2003 – 2005
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      Particle/Nuclear/Cosmic ray/Astro physics
    • Research Institution
      Nihon University
      Kyoto University
  •  重力波源と波形の研究

    • Principal Investigator
      中村 卓史
    • Project Period (FY)
      2002 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      Kyoto University
  •  Ia型超新星の光度距離から再構成する宇宙項の状態方程式Principal Investigator

    • Principal Investigator
      千葉 剛
    • Project Period (FY)
      2001 – 2002
    • Research Category
      Grant-in-Aid for Young Scientists (B)
    • Research Field
      素粒子・核・宇宙線
    • Research Institution
      Kyoto University

All 2023 2022 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2005 2004 Other

All Journal Article Presentation Book

  • [Book] 宇宙物理学ハンドブック2020

    • Author(s)
      高原文郎 ・家正則 ・小玉英雄 ・高橋忠幸編、千葉 剛 他
    • Total Pages
      912
    • Publisher
      朝倉書店
    • ISBN
      9784254131277
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Book] ニュートン別冊「宇宙の7大テーマ」2015

    • Author(s)
      千葉剛ほか
    • Total Pages
      160
    • Publisher
      ニュートンプレス
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Book] ニュートン別冊「無と有の物理学」2015

    • Author(s)
      千葉剛ほか
    • Total Pages
      160
    • Publisher
      ニュートンプレス
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Book] 宇宙、無からの創生2014

    • Author(s)
      千葉剛
    • Total Pages
      160
    • Publisher
      ニュートンプレス
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Book] ダークマタ―・ダークエネルギー2013

    • Author(s)
      千葉剛
    • Total Pages
      160
    • Publisher
      ニュートンプレス
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Book] ニュートン2012年10月号 特集「ダークエネルギー」2012

    • Author(s)
      千葉 剛、土居 守
    • Publisher
      ニュートン
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Book] 宇宙はどうやって誕生したのか2010

    • Author(s)
      千葉剛
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Book] ニュートン別冊「宇宙はどうやって誕生したのか」(編集協力)2010

    • Author(s)
      千葉剛
    • Total Pages
      160
    • Publisher
      ニュートンプレス
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Book] ダークエネルギー問題2009

    • Author(s)
      千葉剛
    • Publisher
      サイエンス社
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Book] 第4章「物理定数の時間変化」(「光と物理学」嶺重 慎・高橋義朗・田中耕一郎編)2007

    • Author(s)
      千葉 剛
    • Publisher
      京都大学学術出版会
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Book] 光と物理学 (第4 章 物理定数の時間変化 p.63-80) 嶺重 慎・高橋義朗・田中耕一郎(編)2007

    • Author(s)
      千葉剛
    • Publisher
      京都大学学術出版会
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Note on the time dilation of charged quantum clocks2023

    • Author(s)
      Chiba Takeshi、Kinoshita Shunichiro
    • Journal Title

      Physical Review D

      Volume: 108 Issue: 4 Pages: 044036-044036

    • DOI

      10.1103/physrevd.108.044036

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22K03640
  • [Journal Article] Quantum clocks, gravitational time dilation, and quantum interference2022

    • Author(s)
      Chiba Takeshi、Kinoshita Shunichiro
    • Journal Title

      Physical Review D

      Volume: 106 Issue: 12 Pages: 124035-124035

    • DOI

      10.1103/physrevd.106.124035

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22K03640, KAKENHI-PROJECT-16K17704
  • [Journal Article] The effect of our local motion on the Sandage-Loeb test of the cosmic expansion2019

    • Author(s)
      Takuya Inoue, Eiichiro Komatsu, Wako Aoki, Takeshi Chiba, Toru Misawa, Tomonori Usuda
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 72 Issue: 1 Pages: 1-6

    • DOI

      10.1093/pasj/psz131

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-18K18760, KAKENHI-PLANNED-15H05894, KAKENHI-PLANNED-15H05896, KAKENHI-INTERNATIONAL-15K21733
  • [Journal Article] Reconstructing f(R) gravity from the spectral index2018

    • Author(s)
      T.Chiba
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 11 Issue: 11

    • DOI

      10.1093/ptep/pty111

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Journal Article] Probing the Universe through the Stochastic Gravitational Wave Background2018

    • Author(s)
      Kuroyanagi, Sachiko and Chiba, Takeshi and Takahashi, Tomo
    • Journal Title

      JCAP

      Volume: 1811 Issue: 11 Pages: 38-38

    • DOI

      10.1088/1475-7516/2018/11/038

    • Peer Reviewed
    • Data Source
      KAKENHI-PLANNED-15H05888, KAKENHI-PROJECT-15K05084, KAKENHI-PLANNED-15H05894
  • [Journal Article] The Hyper Suprime-Cam SSP Survey: Overview and survey design2018

    • Author(s)
      Aihara Hiroaki、Arimoto Nobuo、Armstrong Robert、 et al. (including Imanishi M.)
    • Journal Title

      Publications of the Astronomical Society of Japan

      Volume: 70 Issue: SP1 Pages: 1-15

    • DOI

      10.1093/pasj/psx066

    • Peer Reviewed / Open Access / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K05030, KAKENHI-PROJECT-16K05286, KAKENHI-PROJECT-16K05296, KAKENHI-PROJECT-16K17659, KAKENHI-PROJECT-16K17684, KAKENHI-PROJECT-17K14257, KAKENHI-INTERNATIONAL-15K21733, KAKENHI-PLANNED-15H05890, KAKENHI-PLANNED-15H05892, KAKENHI-PLANNED-15H05893, KAKENHI-PLANNED-15H05894, KAKENHI-PUBLICLY-16H01088, KAKENHI-PROJECT-15H02075, KAKENHI-PROJECT-17H01114, KAKENHI-PROJECT-15H03654, KAKENHI-PROJECT-15H05440, KAKENHI-PROJECT-17H06600, KAKENHI-PROJECT-16J07046, KAKENHI-PROJECT-17J00658, KAKENHI-PROJECT-15K17617, KAKENHI-PROJECT-17J03653
  • [Journal Article] Space Gravitational Wave Antenna DECIGO and B-DECIGO2018

    • Author(s)
      Seiji Kawamura et al.
    • Journal Title

      International Journal of Modern Physics D

      Volume: 27 Issue: 12 Pages: 1845001-1845001

    • DOI

      10.1142/s0218271818450013

    • Peer Reviewed / Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-18K18763, KAKENHI-PROJECT-16H03986, KAKENHI-PROJECT-18H01224, KAKENHI-PROJECT-15H05445, KAKENHI-PROJECT-16K05347, KAKENHI-PROJECT-19K03857, KAKENHI-PROJECT-19K03896, KAKENHI-PLANNED-15H05894, KAKENHI-PLANNED-17H06364, KAKENHI-PROJECT-15H02087, KAKENHI-PROJECT-16H03972, KAKENHI-ORGANIZER-17H06357, KAKENHI-PLANNED-17H06358
  • [Journal Article] Spin distribution of primordial black holes2017

    • Author(s)
      Chiba Takeshi、Yokoyama Shuichiro
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 083E01 Issue: 8 Pages: 1-8

    • DOI

      10.1093/ptep/ptx087

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-15K17659, KAKENHI-PLANNED-15H05888, KAKENHI-PLANNED-15H05894, KAKENHI-PUBLICLY-16H01103
  • [Journal Article] Cosmological constraints on scalar-tensor gravity and the variation of the gravitational constant2017

    • Author(s)
      J. Ooba, K. Ichiki, T. Chiba, N. Sugiyama
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2017 Issue: 4 Pages: 1-14

    • DOI

      10.1093/ptep/ptx046

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-16J05446, KAKENHI-PLANNED-15H05890, KAKENHI-PLANNED-15H05894, KAKENHI-PUBLICLY-16H01543
  • [Journal Article] A note on geodesics in the Hayward metric2017

    • Author(s)
      Chiba Takeshi、Kimura Masashi
    • Journal Title

      Progress of Theoretical and Experimental Physics

      Volume: 2017 Issue: 4 Pages: 1-10

    • DOI

      10.1093/ptep/ptx037

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Journal Article] Planck constraints on scalar-tensor cosmology and the variation of the gravitational constant2016

    • Author(s)
      Junpei Oobsa, Kiyotomo Ichiki, Takeshi Chiba, Naoshi Sugiyama
    • Journal Title

      Physical Review D

      Volume: 93 Issue: 12 Pages: 1-7

    • DOI

      10.1103/physrevd.93.122002

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PLANNED-15H05890, KAKENHI-PROJECT-16J05446, KAKENHI-PROJECT-25287057, KAKENHI-PLANNED-15H05894
  • [Journal Article] Consistency Relations for Large Field Inflation: Non-minimal Coupling2015

    • Author(s)
      T. Chiba and K. Kohri
    • Journal Title

      PTEP

      Volume: 2015 2 Issue: 2 Pages: 23E01-0

    • DOI

      10.1093/ptep/ptv007

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-23540327, KAKENHI-PROJECT-24540287, KAKENHI-PUBLICLY-26105520, KAKENHI-PROJECT-26247042
  • [Journal Article] Reconstructing the inflaton potential from the spectral index2015

    • Author(s)
      Takeshi Chiba
    • Journal Title

      PTEP

      Volume: 7 Issue: 7 Pages: 1-10

    • DOI

      10.1093/ptep/ptv090

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PLANNED-15H05894, KAKENHI-PROJECT-24540287
  • [Journal Article] Consistency Relations for Large Field Inflation2014

    • Author(s)
      T. Chiba and K. Kohri
    • Journal Title

      PTEP

      Volume: 2014 9 Issue: 9 Pages: 93E01-0

    • DOI

      10.1093/ptep/ptu123

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-23540327, KAKENHI-PROJECT-24540287, KAKENHI-PUBLICLY-26105520, KAKENHI-PROJECT-26247042
  • [Journal Article] Implications of the B-mode Polarization Measurement for Direct Detection of Inflationary Gravitational Waves2014

    • Author(s)
      Sachiko Kuroyanagi, Shinji Tsujikawa, Takeshi Chiba, Naoshi Sugiyama
    • Journal Title

      Physical Review D

      Volume: 90, 063513 Issue: 6 Pages: 1-14

    • DOI

      10.1103/physrevd.90.063513

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-24540286, KAKENHI-PROJECT-24540287, KAKENHI-PROJECT-25287057
  • [Journal Article] Cosmological Scaling Solutions for Multiple Scalar Fields2014

    • Author(s)
      Chiba, Takeshi and De Felice, Antonio and Tsujikawa, Shinji
    • Journal Title

      Phys. Rev.

      Volume: D 90 Issue: 2 Pages: 023516-023516

    • DOI

      10.1103/physrevd.90.023516

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21244033, KAKENHI-PROJECT-24540286, KAKENHI-PROJECT-24540287
  • [Journal Article] Motion of Charged Particles around a Weakly Magnetized Rotating Black Hole2014

    • Author(s)
      Ryo Shiose, Masashi Kimura, Takeshi Chiba
    • Journal Title

      Physical Review

      Volume: D90 Issue: 12 Pages: 124016-124016

    • DOI

      10.1103/physrevd.90.124016

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Journal Article] Conformal-Frame (In)dependence of Cosmological Observations in Scalar-Tensor Theory2013

    • Author(s)
      Chiba, Takeshi and Yamaguchi, Masahide
    • Journal Title

      JCAP

      Volume: 1310 Issue: 10 Pages: 040-040

    • DOI

      10.1088/1475-7516/2013/10/040

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21244033, KAKENHI-PROJECT-24540287
  • [Journal Article] Observational Constraints on Quintessence: Thawing,Tracker, and Scaling models2013

    • Author(s)
      Chiba, Takeshi and De Felice, Antonio and Tsujikawa, Shinji
    • Journal Title

      Phys.Rev.

      Volume: D87 Issue: 8 Pages: 083505-083505

    • DOI

      10.1103/physrevd.87.083505

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21244033, KAKENHI-PROJECT-24540287
  • [Journal Article] Shadows of Multi-Black Holes: Analytic Exploration2012

    • Author(s)
      Yumoto, Akifumi and Nitta, Daisuke and Chiba, Takeshi and Sugiyama, Naoshi
    • Journal Title

      Phys.Rev.

      Volume: D86 Issue: 10 Pages: 103001-103001

    • DOI

      10.1103/physrevd.86.103001

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Journal Article] Runaway Domain Wall and Space-time Varying Alpha2011

    • Author(s)
      Takeshi Chiba and Masahide Yamaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 03 Pages: 044-10

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] The Constancy of the Constants of Nature : Updates2011

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Progress of Theoretical Physics

      Volume: 126 Pages: 993-1019

    • NAID

      10030080637

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Shadows of Colliding Black Hole2011

    • Author(s)
      Daisuke Nitta, Takeshi Chiba, Naoshi Sugiyama
    • Journal Title

      Physical Review D

      Volume: 84 Pages: 63008-63008

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Shadows of Colliding Black Holes2011

    • Author(s)
      Daisuke Nitta, Takeshi Chiba, Naoshi Sugiyama
    • Journal Title

      Physical Review D

      Volume: 84 Pages: 063008-4

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Prospects for Direct Detection of Inflationary Gravitational Waves by Next Generation Interferometric Detectors2011

    • Author(s)
      Sachiko Kuroyanagi, Takeshi Chiba, Naoshi Sugiyama
    • Journal Title

      Physical Review D

      Volume: 83 Pages: 043514-10

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] rospects for Direct Detection of Inflationary Gravitational Waves by Next Generation Inteferometric Detectors2011

    • Author(s)
      Sachiko Kuroyanagi, Takeshi Chiba, Naoshi Sugiyam
    • Journal Title

      Physical Review D

      Volume: 83 Pages: 43514-43514

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Runaway Domain Wall and Space-time Varying alpha2011

    • Author(s)
      Takeshi Chiba, Masahide Yamaguch
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 03 Pages: 44-44

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] The Equation of State of Tracker Fields2010

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Physical Review D 81

      Pages: 23515-23515

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Journal Article] Fate of Thermal Log Type Q Balls2010

    • Author(s)
      Takeshi Chiba, Kohei Kamada, Shinta Kasuya, Masahide Yamaguchi
    • Journal Title

      Physical Review D 82

    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Fate of Thermal Log Type Q Balls2010

    • Author(s)
      Takeshi Chiba, Kohei Kamada, Shinta Kasuya and Masahide Yamaguchi
    • Journal Title

      Physical Review D

      Volume: 82 Pages: 103534-9

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Gravitational Waves From Q-Ball Formation2010

    • Author(s)
      Takeshi Chiba, Kohei Kamada and Masahide Yamaguchi
    • Journal Title

      Physical Review D

      Volume: 81 Pages: 083503-26

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Slow-roll Extended Quintessence2010

    • Author(s)
      Takeshi Chiba, Masaru Siino, Masahide Yamaguchi
    • Journal Title

      Physical Review D 81

    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] The Equation of State of Tracker Fields2010

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Physical Review D

      Volume: 81

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21244033
  • [Journal Article] Gravitational Waves From Q-Ball Formation2010

    • Author(s)
      Takeshi Chiba, Kohei Kamada, Masahide Yamaguchi
    • Journal Title

      Physical Review D

      Volume: 81 Pages: 83503-83503

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Fate of thermal log type Q balls2010

    • Author(s)
      Takeshi Chiba, et al.
    • Journal Title

      Physical Review D

      Volume: 82

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21244033
  • [Journal Article] Gravitational Waves From Q-Ball Formation2010

    • Author(s)
      Takeshi Chiba, Kohei Kamada, Masahide Yamaguchi
    • Journal Title

      Physical Review D 81

    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] The Equation of State of Tracker Fields2010

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Physical Review D 81

    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] The Equation of State of Tracker Fields2010

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Physical Review D

      Volume: 81 Pages: 023515-4

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Slow-roll Extended Quintessence2010

    • Author(s)
      Takeshi Chiba, Masaru Siino, Masahide Yamaguchi
    • Journal Title

      Physical Review D

      Volume: 81 Pages: 083530-7

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Fate of Thermal Log Type Q Balls2010

    • Author(s)
      Takeshi Chiba, Kohei Kamada, Shinta Kasuya, Masahide Yamaguchi
    • Journal Title

      Physical Review D

      Volume: 82 Pages: 103534-103534

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Extended Slow-Roll Conditions and Primordial Fluctuations : Multiple Scalar Fields and Generalized Gravity2009

    • Author(s)
      Takeshi Chiba, Masahide Yamaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 01

      Pages: 19-19

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Extended Slow-Roll Conditions and Primordial Fluctuations : Multiple Scalar Fields and Generalized Gravity2009

    • Author(s)
      Takeshi Chiba, Masahide Yamaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 01

    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Slow-roll k-essence2009

    • Author(s)
      Takeshi Chiba, Sourish Dutta, Robert J.Scherrer
    • Journal Title

      Physical Review D 80

      Pages: 43517-43517

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Journal Article] Precision Calculations of the Gravitational Wave Background Spectrum from Inflation2009

    • Author(s)
      Sachiko Kuroyanagi, Takeshi Chiba and Naoshi Sugiyama
    • Journal Title

      Phys. Rev. D 79 103501

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Precision Calculations of the Gravitational Wave Background Spectrum from Inflation2009

    • Author(s)
      Sachiko Kuroyanagi, Takeshi Chiba, Naoshi Sugiyama
    • Journal Title

      Physical Review D 79

      Pages: 103501-103501

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Journal Article] Slow-Roll Thawing Quintessence2009

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Physicai Review D 79

      Pages: 83517-83517

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Journal Article] Extended Slow-Roll Conditions and Primordial Fluctuations : Multiple Scalar Fields and Generalized Gravity2009

    • Author(s)
      Takeshi Chiba and Masahide Yamaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 01 Pages: 019-16

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Precision Calculations of the Gravitational Wave Background Spectrum from Inflation2009

    • Author(s)
      Sachiko Kuroyanagi, Takeshi Chiba, Naoshi Sugiyama
    • Journal Title

      Physical Review D 79

      Pages: 103501-103501

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Slow-Roll Thawing Quintessence2009

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Physical Review D

      Volume: 79

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-21244033
  • [Journal Article] Slow-Roll Thawing Quintessence2009

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Physical Review D 79

      Pages: 83517-83517

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Slow-roll k-essence2009

    • Author(s)
      Takeshi Chiba, Sourish Dutta, Robert J.Scherrer
    • Journal Title

      Physical Review D 80

      Pages: 43517-43517

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Extended Slow-Roll Conditions and Primordial Fluctuations : Multiple Scalar Fields and Generalized Gravity2009

    • Author(s)
      Takeshi Chiba, Masahide Yamaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 01

      Pages: 19-19

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Journal Article] Extended Slow-Roll Conditions and Rapid-Roll Conditions2008

    • Author(s)
      Takeshi Chiba, Masahide Yamaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 10

      Pages: 21-21

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Journal Article] Search for a Stochastic Background of 100-MHz Gravitational Waves with Laser Interferometers2008

    • Author(s)
      Tomotada Akutsu, Seiji Kawamura, Atsushi Nishizawa, Koji Arai, Kazuhiro Yamamoto, Daisuke Tatsumi, Shigeo Nagano, Erina Nishida, Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama, Mitsuhiro Fukushima, Toshitaka Yamazaki, Masa-Katsu Fujimoto
    • Journal Title

      Physical Review Letters 101

    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Extended Slow-Roll Conditions and Rapid-Roll Conditions2008

    • Author(s)
      Takeshi Chiba, Masahide Yaraaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 10

      Pages: 21-21

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Initial Conditions for Vector Inflation2008

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 08

      Pages: 4-4

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Journal Article] Reply to "Comments on 'Solar System constraints to general f(R) gravity'"2008

    • Author(s)
      Takeshi Chiba, Tristan L. Smith and Adrienne L. Erickcek
    • Journal Title

      Physical Review D

      Volume: 77 Pages: 108502-1

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Reply to "Comments on 'Solar System constraints to general $f(R)$ gravity'"2008

    • Author(s)
      Takeshi Chiba, Tristan L.Smith, Adrienne L.Erickcek
    • Journal Title

      Physical Review D 77

    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Search for a Stochastic Background of 100-MHz Gravitational Waves with Laser Interferometers2008

    • Author(s)
      Tomotada Akutsu, Seiji Kawamura, Atsushi Nishizawa, Koji Arai, Kazuhiro Yamamoto, Daisuke Tatsumi, Shigeo Nagano, Erina Nishida, Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama, Mitsuhiro Fukushima, Toshitaka Yamazaki, Masa-Katsu Fujimoto
    • Journal Title

      Phys. Rev. Lett. 101 101101

      Pages: 1-4

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Initial Conditions for Vector Inflation2008

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 08

    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Initial Conditions for Vector Inflation2008

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Journal of Cosmo logy and Astroparticle Physics 08

      Pages: 4-4

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Extended Slow-Roll Conditions and Rapid-Roll Conditions2008

    • Author(s)
      Takeshi Chiba, Masahide Yamaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 10

    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Extended Slow-Roll Conditions and Rapid-Roll Conditions2008

    • Author(s)
      Takeshi Chiba and Masahide Yamaguchi
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 10 Pages: 021-16

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Initial Conditions for Vector Inflation2008

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

      Volume: 08 Pages: 004-11

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Search for a Stochastic Background of 100-MHz Gravitational Waves with Laser Interferometers2008

    • Author(s)
      Tomotada Akutsu, Seiji Kawamura, Atsushi Nishizawa, Koji Arai, Kazuhiro Yamamoto, Daisuke Tatsumi, Shigeo Nagano, Erina Nishida, Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama, Mitsuhiro Fukushima, Toshitaka Yamazaki, Masa-Katsu Fujimoto
    • Journal Title

      Physical Review Letters

      Volume: 101 Pages: 101101-4

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Journal Article] Optimal Location of Two Laser-interferometric Detectors for Gravitational Wave Backgrounds at 100MHz2008

    • Author(s)
      Atsushi Nishizawa, Seiji Kawamura, Tomotada Akutsu, Koji Arai, Kazuhiro Yamamoto, Daisuke Tatsumi, Erina Nishida, Masa-aki Sakagami, Takeshi Chiba, Ryuichi Takahashi, and Naoshi Sugiyama
    • Journal Title

      Class. Quantum Grav. 25 225011

      Pages: 1-14

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Solar System Constraints to General f(R) Gravity2007

    • Author(s)
      Takeshi Chiba, Tristan L. Smith and Adrienne L. Erickcek
    • Journal Title

      Phys. Rev. D 75

      Pages: 124014-124014

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] A Null Test of the Cosmological Constant2007

    • Author(s)
      Takeshi Chiba, Takashi Nakamura
    • Journal Title

      Progress of Theoretical Physics 118

      Pages: 815-819

    • NAID

      110006437316

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Weak Lensing of Galaxy Clusters in MOND2007

    • Author(s)
      Ryuichi Takahashi, Takeshi Chiba
    • Journal Title

      Astrophysical Journal 671

      Pages: 45-52

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Time Variation of the Proton-electron Mass Ratio and the Fine Structure Constant with a Runaway Dilation2007

    • Author(s)
      Takeshi Chiba, Tatsuo Kobayashi, Masahide Yamaguchi, Jun'ichi Yokoyama
    • Journal Title

      Physical Review D 75

      Pages: 43516-43516

    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Effective Search Templates for a Primordial Stochastic Gravitational Wave Background2007

    • Author(s)
      Takeshi Chiba, Yoshiaki Himemoto, Masahide Yamaguchi, Jun'ichi Yokoyama
    • Journal Title

      Phys. Rev. D 76

      Pages: 43516-43516

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] w and w' of Scalar Field Models of Dark Energy2006

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Physical Review D 73

      Pages: 63501-63501

    • Data Source
      KAKENHI-PROJECT-15740152
  • [Journal Article] w and w' of Scalar Field Models of Dark Energy2006

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Phys.Rev.D 73

      Pages: 63501-63501

    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Generalized Gravity and Ghost2005

    • Author(s)
      Takeshi Chiba
    • Journal Title

      JCAP 03

      Pages: 8-8

    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Numerical Solutions of Inflating Higher Dimensional Global Defects2005

    • Author(s)
      Satsuki Shimono, Takeshi Chiba
    • Journal Title

      Physical Review D 70

      Pages: 84002-84002

    • Data Source
      KAKENHI-PROJECT-15740152
  • [Journal Article] Numerical Solutions of Inflating Higher Dimensional Global Defects2005

    • Author(s)
      Satsuki Shimono, Takeshi Chiba
    • Journal Title

      Physical Review D

    • Data Source
      KAKENHI-PROJECT-15740152
  • [Journal Article] Classifying the Future of Universes with Dark Energy2005

    • Author(s)
      Takeshi Chiba, Ryuichi Takahashi, Naoshi Sugiyama
    • Journal Title

      Class.Quantum Grav. 22

      Pages: 3745-3758

    • Data Source
      KAKENHI-PROJECT-17204018
  • [Journal Article] Generalized Gravity and a Ghost2005

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 03

      Pages: 8-8

    • Data Source
      KAKENHI-PROJECT-15740152
  • [Journal Article] Generalized Gravity and a Ghost2005

    • Author(s)
      Takeshi Chiba
    • Journal Title

      Journal of Cosmology and Astroparticle Physics

    • Data Source
      KAKENHI-PROJECT-15740152
  • [Journal Article] Classifying the Future of Universes with Dark Energy2005

    • Author(s)
      Takeshi Chiba, Ryuichi Taka hashi, Naoshi Sugiyama
    • Journal Title

      Classical and Quantum Gravity 22

      Pages: 3745-3758

    • Data Source
      KAKENHI-PROJECT-15740152
  • [Journal Article] Does Positronium Form in the Universe2004

    • Author(s)
      Takeshi Chiba, Naoshi Sugivama
    • Journal Title

      Journal of Cosmology and Astroparticle Physics 06

      Pages: 3-3

    • Data Source
      KAKENHI-PROJECT-15740152
  • [Journal Article] WMAP Constraints on Scalar-Tensor Cosmology and the Variation of the Gravitational Constant2004

    • Author(s)
      Ryo Nagata, Takeshi Chiba, Nanshi Sueivama
    • Journal Title

      Physical Review D 69

      Pages: 83512-83512

    • Data Source
      KAKENHI-PROJECT-15740152
  • [Journal Article] A Consistency Relation in Cosmology

    • Author(s)
      Takeshi Chiba, Ryuichi Takahashi
    • Journal Title

      Physical Review D (Accepted and to be published)

    • Data Source
      KAKENHI-PROJECT-17204018
  • [Presentation] Conformal and Disformal Invariance of Cosmological Observables2019

    • Author(s)
      Takeshi Chiba
    • Organizer
      the 6th, Korea-Japan joint workshop on dark energy
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Presentation] The effect of our local motion on the redshift drift2019

    • Author(s)
      Takeshi Chiba
    • Organizer
      2nd Korea-Japan bilateral workshop on string axion cosmology
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Presentation] Reconstructing f(R) gravity from the spectral index2019

    • Author(s)
      Takeshi Chiba
    • Organizer
      5th Korea-Japan joint workshop on dark energy
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Presentation] Spin Distribution of Primordial Black Holes2017

    • Author(s)
      Takeshi Chiba
    • Organizer
      4th Korea-Japan joint workshop on dark energy
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Presentation] スカラーテンソル重力理論2017

    • Author(s)
      千葉剛
    • Organizer
      第22回新潟・山形合宿研究会
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Presentation] Redshift Drift2016

    • Author(s)
      Takeshi Chiba
    • Organizer
      名古屋大学大学院理学研究科コロキウム
    • Place of Presentation
      名古屋大学
    • Year and Date
      2016-02-16
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Presentation] CMB constraints on varying G2016

    • Author(s)
      Takeshi Chiba
    • Organizer
      The 3rd Korea-Japan workshop on Dark Energy
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Presentation] Reconstructing the Inflaton Potential from the Spectral Index2015

    • Author(s)
      Takeshi Chiba
    • Organizer
      14th Marcel Grossmann Meeting on General Relativity
    • Place of Presentation
      Rome, Italy
    • Year and Date
      2015-07-14
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Presentation] Constancy of the constants of nature2015

    • Author(s)
      Takeshi Chiba
    • Organizer
      Fundamental Physics Using Atoms
    • Place of Presentation
      Riken, Wako, Saitama
    • Year and Date
      2015-11-30
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Presentation] Constancy of the constants of nature2015

    • Author(s)
      Takeshi Chiba
    • Organizer
      FPUA 2015
    • Place of Presentation
      Riken, Wako
    • Year and Date
      2015-11-30
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Presentation] Reconstructing the Inflaton Potential from the Spectral Index2015

    • Author(s)
      Takeshi Chiba
    • Organizer
      2nd APCTP-TUS workshop on Dark Energy
    • Place of Presentation
      Tokyo University of Science
    • Year and Date
      2015-08-04
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Presentation] Reconstructing the Inflaton Potential from the Spectral Index2015

    • Author(s)
      Takeshi Chiba
    • Organizer
      2nd APCTP-TUS workshop on Dark Energy
    • Place of Presentation
      Tokyo University of Science, Shinjuku, Tokyo
    • Year and Date
      2015-08-03
    • Invited / Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Presentation] Reconstructing the Inflaton Potential from the Spectral Index2015

    • Author(s)
      Takeshi Chiba
    • Organizer
      14th Marcel Grossmann Meeting on General Relativity
    • Place of Presentation
      University of Rome Sapiens, Italy
    • Year and Date
      2015-07-12
    • Int'l Joint Research
    • Data Source
      KAKENHI-PLANNED-15H05894
  • [Presentation] Conformal-Frame (In)dependence of Cosmological Observations in Scalar-Tensor Theory2013

    • Author(s)
      Takeshi Chiba
    • Organizer
      27th Texas Symposium on Relativistic Astrophysics
    • Place of Presentation
      University of Texas at Dallas
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Presentation] 暗黒エネルギーをめぐって2012

    • Author(s)
      Takeshi Chiba
    • Organizer
      第5回湯川記念財団・木村利栄理論物理学賞受賞記念講演
    • Place of Presentation
      京都大学基礎物理学研究所
    • Year and Date
      2012-01-18
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] 物理定数はどこまで定数か?2012

    • Author(s)
      千葉剛
    • Organizer
      日本物理学会第67回年会
    • Place of Presentation
      関西学院大学(招待講演)
    • Year and Date
      2012-03-24
    • Data Source
      KAKENHI-PROJECT-21244033
  • [Presentation] 物理定数はどこまで定数か?2012

    • Author(s)
      Takeshi Chiba
    • Organizer
      日本物理学会第67回年会
    • Year and Date
      2012-03-24
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] 加速膨張する宇宙2012

    • Author(s)
      Takeshi Chiba
    • Organizer
      日大理工学部素粒子論研究室セミナー
    • Year and Date
      2012-01-25
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] 暗黒エネルギーをめぐって2012

    • Author(s)
      千葉剛
    • Organizer
      第5回湯川記念財団・木村利栄理論物理学賞受賞式
    • Place of Presentation
      京都大学基礎物理学研究所
    • Year and Date
      2012-01-18
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Constancy of the Constants of Nature : Updates2011

    • Author(s)
      Takeshi Chiba
    • Organizer
      Summer Institute 2011
    • Place of Presentation
      Fujiyoshida, Japan
    • Year and Date
      2011-08-04
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Constancy of the Constants of Nature : Updates2011

    • Author(s)
      Takeshi Chiba
    • Organizer
      Summer Institute 2011
    • Place of Presentation
      人材開発センター富士研修所
    • Year and Date
      2011-08-04
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Slow-roll dark energy2010

    • Author(s)
      千葉剛
    • Organizer
      20^<th> workshop on General Relativity and Gravitation
    • Place of Presentation
      京都大学、京都市
    • Year and Date
      2010-09-24
    • Data Source
      KAKENHI-PROJECT-21244033
  • [Presentation] The dynamics and the equation of state of dark energy2010

    • Author(s)
      Takeshi Chiba
    • Organizer
      特定領域研究「広視野深宇宙探査によるダークエネルギーの研究」第4回研究会
    • Place of Presentation
      いわき荘
    • Year and Date
      2010-03-16
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Cosmology with TMT2010

    • Author(s)
      Takeshi Chiba
    • Organizer
      TMTで切り拓く2020年代の新しい天文学
    • Place of Presentation
      国立天文台(招待講演)
    • Year and Date
      2010-10-05
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Slow-roll dark energy2010

    • Author(s)
      Takeshi Chiba
    • Organizer
      20th Workshop on General Relativity and Gravitation in Japan(JGRG20)
    • Place of Presentation
      YITP, Kyoto
    • Year and Date
      2010-09-24
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Slow-roll dark energy2010

    • Author(s)
      Takeshi Chiba
    • Organizer
      The 20th Workshop on General Relativity and Gravitation in Japan
    • Place of Presentation
      京都大学基礎物理学研究所
    • Year and Date
      2010-09-24
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Scalar-tensor gravity and f(R) gravity2010

    • Author(s)
      Takeshi Chiba
    • Place of Presentation
      近畿大学理工学部理学科セミナー
    • Year and Date
      2010-03-04
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Cosmology with TMT2010

    • Author(s)
      Takeshi Chiba
    • Organizer
      TMTで切り拓く2020年代の新しい天文学
    • Place of Presentation
      国立天文台
    • Year and Date
      2010-10-05
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Scalar-tensor gravity and f(R) gravity2010

    • Author(s)
      Takeshi Chiba
    • Organizer
      近畿大学理工学部理学科セミナー
    • Year and Date
      2010-03-04
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Slow-roll dark energy2010

    • Author(s)
      Takeshi Chiba
    • Organizer
      invited talk at the 20th Workshop on General Relativity and Gravitation in Japan(JGRG20)
    • Place of Presentation
      YITP, Kyoto
    • Year and Date
      2010-09-24
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] The Equation of State of Slowly Rolling Scalar Field2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      IPMU international conference "Dark energy : Lighting up the darkness!"
    • Place of Presentation
      東大IPMU
    • Year and Date
      2009-06-23
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] インフレーション起源の背景重力波から探る宇宙再加熱2009

    • Author(s)
      黒柳幸子、千葉剛、杉山直
    • Organizer
      日本天文学会
    • Place of Presentation
      大阪府立大学
    • Year and Date
      2009-03-24
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Presentation] The Equation of State of Slow-roll Dark Energy2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      新潟大学素粒子論研究室セミナー
    • Year and Date
      2009-07-23
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] The Equation of State of Slowly Rolling Scalar Field2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      IPMU international conference "Dark energy : Lighting up the darkness!"
    • Place of Presentation
      IPMU
    • Year and Date
      2009-06-23
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Presentation] Parametrizing w2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      特定領域研究「広視野深宇宙探査によるダークエネルギーの研究」第3回研究会
    • Place of Presentation
      国立天文台
    • Year and Date
      2009-03-18
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Slowly-Rolling Scalar Field2009

    • Author(s)
      Takeshi Chiba
    • Place of Presentation
      立教大学理論物理コロキウム
    • Year and Date
      2009-05-12
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Parametrizing w2009

    • Author(s)
      千葉剛
    • Organizer
      特定領域研究「広視野深宇宙探査によるダークエネルギーの研究」第3回研究会
    • Place of Presentation
      国立天文台
    • Year and Date
      2009-03-18
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Presentation] Cosmology with TMT2009

    • Author(s)
      千葉剛
    • Organizer
      光赤天連シンポジウム『30m地上超大型望遠鏡TMTによる天文学の新展開』
    • Place of Presentation
      国立天文台、三鷹市
    • Year and Date
      2009-10-21
    • Data Source
      KAKENHI-PROJECT-21244033
  • [Presentation] Parametrizing w特定領域研究2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      「広視野深宇宙探査によるダークエネルギーの研究」第3回研究会
    • Place of Presentation
      国立天文台
    • Year and Date
      2009-03-18
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Cosmology with TMT2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      光赤天連シンポジウム『30m地上超大型望遠鏡TMTによる天文学の新展開』
    • Place of Presentation
      国立天文台
    • Year and Date
      2009-10-21
    • Data Source
      KAKENHI-PROJECT-20040006
  • [Presentation] The Equation of State of Slowly Rolling Scalar Field2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      IPMU international conference "Dark energy : Lighting up the darkness!"
    • Place of Presentation
      IPMU
    • Year and Date
      2009-06-23
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] The Equation of State of Slow-roll Dark Energy2009

    • Author(s)
      Takeshi Chiba
    • Place of Presentation
      新潟大学素粒子論研究室セミナー
    • Year and Date
      2009-07-23
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Slowly-Rolling Scalar Field2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      立教大学理論物理コロキウム
    • Year and Date
      2009-05-12
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Cosmology with TMT2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      光赤天連シンポジウム『30m 地上超大型望遠鏡TMTによる天文学の新展開』
    • Place of Presentation
      国立天文台(招待講演)
    • Year and Date
      2009-10-21
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Cosmology with TMT2009

    • Author(s)
      Takeshi Chiba
    • Organizer
      光赤天連シンポジウム『30m地上超大型望遠鏡TMTによる天文学の新展開』
    • Place of Presentation
      国立天文台
    • Year and Date
      2009-10-21
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] The initial conditions for vector inflation2008

    • Author(s)
      Takeshi Chiba
    • Organizer
      France-Japan Joint Workshop on the Early Universe
    • Place of Presentation
      日光霧降コンベンションホール
    • Year and Date
      2008-05-15
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] 100MHz gravitational wave detection2008

    • Author(s)
      Seiji Kawamura, Tomotada Akutsu, Atsushi Nishizawa, Koji Arai, Kazuhiro Yamamoto, Daisuke Tatsumi, Erina Nishida, Takeshi Chiba, Naoshi Sugiyama, Ryuichi Takahashi, Akitoshi Ueda
    • Organizer
      Gravitational Wave Advanced Detector Workshop
    • Place of Presentation
      Elba, Italy
    • Year and Date
      2008-05-13
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Presentation] Extended Slow-Roll Conditions2008

    • Author(s)
      Takeshi Chiba
    • Organizer
      invited talk at Summer Institute 2008
    • Place of Presentation
      Fujiyoshida, Japan
    • Year and Date
      2008-08-09
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Extended Slow-Roll Conditions2008

    • Author(s)
      Takeshi Chiba
    • Organizer
      Summer Institute 2008
    • Place of Presentation
      人材開発センター富士研修所(経団連)
    • Year and Date
      2008-08-09
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] Extended Slow-Roll Conditions2008

    • Author(s)
      Takeshi Chiba
    • Organizer
      Summer Institute 2008
    • Place of Presentation
      Fujiyoshida, Japan
    • Year and Date
      2008-08-09
    • Data Source
      KAKENHI-PROJECT-20540280
  • [Presentation] レーザー干渉計を用いた超高周波重力波検出器の開発 II2007

    • Author(s)
      阿久津智忠, 川村静児, 新井宏二, 辰巳大輔, 山元一広, 西澤篤志, 西田恵理奈,長野重夫, 杉山直, 高橋龍一, 千葉剛,福嶋美津広, 山崎利孝, 藤本眞克
    • Organizer
      日本天文学会
    • Place of Presentation
      岐阜大学
    • Year and Date
      2007-09-28
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Presentation] Development of a detector pair for very high frequency gravitational waves2007

    • Author(s)
      Tomotada Akutsu, Seiji Kawamura, Koji Arai, Daisuke Tatsumi, Shigeo Nagano, Naoshi Sugiyama, Takeshi Chiba, Ryuichi Takahashi, Kazuhiro Yamamoto, Atsushi Nishizawa, Erina Nishida, Mitsuhiro Fukushima, Toshitaka Yamazaki, and Masa-Katsu Fujimoto
    • Organizer
      7th Edoardo Amaldi Conference on Gravitational Waves
    • Place of Presentation
      Sydney, Australia
    • Year and Date
      2007-07-11
    • Data Source
      KAKENHI-PROJECT-17204018
  • [Presentation] 加速膨張する宇宙

    • Author(s)
      千葉 剛
    • Organizer
      日本大学理工学部物理学科軽井沢オリエンテーション講演会
    • Place of Presentation
      日本大学軽井沢研修所
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540287
  • [Presentation] Shadows of multi black holes

    • Author(s)
      Takeshi Chiba
    • Organizer
      Japan/Thai workshop in cosmology
    • Place of Presentation
      Pattaya, Thailand
    • Invited
    • Data Source
      KAKENHI-PROJECT-24540287
  • 1.  TANAKA Takahiro (40281117)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 2.  ARAI Koji (50321584)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 5 results
  • 3.  TATSUMI Daisuke (70333276)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 5 results
  • 4.  SUGIYAMA Naoshi (70222057)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 9 results
  • 5.  SODA Jiro (00222076)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 6.  TSUJIKAWA Shinji (30318802)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 3 results
  • 7.  MUKOHYAMA Shinji (40396809)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 8.  NAKAYAMA Kazunori (90596652)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 9.  SHIROMIZU Tetsuya (10282716)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 10.  TAKAHASHI Fuminobu (60503878)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 11.  KAWAMURA Seiji (40301725)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 5 results
  • 12.  KODAMA Hideo (40161947)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  KAWASAKI Masahiro (50202031)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  YOKOYAMA Jun'ichi (50212303)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  KITAZAWA Yoshihisa (10195258)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  KOHRI Kazunori (50565819)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 2 results
  • 17.  NOZZWA Masato (60547321)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  SASAKI Misao (70162386)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  MATSUBARA Takahiko (00282715)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 20.  ISHIHARA Hideki (80183739)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 21.  YAMAMOTO Kazuhiro (50284154)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 22.  YAMAGUCHI Masahide (80383511)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 1 results
  • 23.  Usuda Tomonori (10311177)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 24.  中村 卓史 (80155837)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 25.  柴田 大 (80252576)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 26.  井岡 邦仁 (80402759)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 27.  原田 知広 (60402773)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 28.  大原 謙一 (00183765)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 29.  美濃島 薫 (20358112)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 30.  三澤 透 (60513447)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 31.  稲場 肇 (70356492)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 32.  西條 統之
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 33.  TAKAHASHI Tomo
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 34.  ICHIKI Kiyotomo
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 35.  横山 修一郎
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results
  • 36.  今西 昌俊
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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