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

CHIBA Takeshi  千葉 剛

ORCIDConnect your ORCID iD *help
… Alternative Names

千葉 剛  チバ タケシ

Less
Researcher Number 40324602
Other IDs
Affiliation (Current) 2026: 日本大学, 文理学部, 教授
Affiliation (based on the past Project Information) *help 2022 – 2024: 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 / 000045000051000338
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 / 対称性 / 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

    (152 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
      000045000051000338
    • Research Institution
      Kyoto University

All 2025 2024 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] Eisenhart lift for scalar fields in the FLRW universe2025

    • Author(s)
      Chiba Takeshi、Houri Tsuyoshi
    • Journal Title

      Classical and Quantum Gravity

      Volume: 42 Issue: 5 Pages: 055003-055003

    • DOI

      10.1088/1361-6382/ada90d

    • Data Source
      KAKENHI-PROJECT-22K03640
  • [Journal Article] Hidden symmetries of power-law inflation2024

    • Author(s)
      Chiba Takeshi、Houri Tsuyoshi
    • Journal Title

      Classical and Quantum Gravity

      Volume: 41 Issue: 19 Pages: 19LT01-19LT01

    • DOI

      10.1088/1361-6382/ad7185

    • Data Source
      KAKENHI-PROJECT-22K03640
  • [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] Hidden symmetry of power-law inflation2024

    • Author(s)
      千葉 剛、宝利 剛
    • Organizer
      日本物理学会第79回年次大会
    • Data Source
      KAKENHI-PROJECT-22K03640
  • [Presentation] Eisenhart Lift for Scalar Field Theories: Hidden Symmetries of Power-Law Inflation2024

    • Author(s)
      千葉 剛
    • Organizer
      理論で迫るブラックホール宇宙と時空特異点
    • Data Source
      KAKENHI-PROJECT-22K03640
  • [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

URL: 

Are you sure that you want to link your ORCID iD to your KAKEN Researcher profile?
* This action can be performed only by the researcher himself/herself who is listed on the KAKEN Researcher’s page. Are you sure that this KAKEN Researcher’s page is your page?

この研究者とORCID iDの連携を行いますか?
※ この処理は、研究者本人だけが実行できます。

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi