CHIBA Takeshi 千葉剛

Researcher Number	40324602
Other IDs
Affiliation (Current)	2020: 日本大学, 文理学部, 教授
Affiliation (based on the past Project Information) *help	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 / 素粒子・核・宇宙線 / Science and Engineering Except Principal Investigator Science and Engineering / Particle/Nuclear/Cosmic ray/Astro physics
Keywords	Principal Investigator ダークエネルギー / 重力理論 / 宇宙背景輻射 / 宇宙項 / 重力レンズ / 物理定数 / 宇宙論パラメター / ダークマター / 重力定数 / 宇宙定数 / 宇宙背景放射 … More Except Principal Investigator … More

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

[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] The effect of our local motion on the Sandage-Loeb test of the cosmic expansion2020
- 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 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] Space gravitational-wave antennas DECIGO and B-DECIGO2019
- Author(s)
  Seiji Kawamura et al.
- Journal Title
  
  International Journal of Modern Physics D
  
  Volume: 27 Pages: 1-16
- 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
[Journal Article] Reconstructing f(R) gravity from the spectral index2018
- Author(s)
  T.Chiba
- Journal Title
  
  Progress of Theoretical and Experimental Physics
  
  Volume: 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
  
  Journal of Cosmology and Astroparticle Physics
  
  Volume: 1811 Pages: 038-038
- 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
  
  PASJ
  
  Volume: 70 Pages: 1-14
- 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] Spin distribution of primordial black holes2017
- Author(s)
  Chiba Takeshi、Yokoyama Shuichiro
- Journal Title
  
  Progress of Theoretical and Experimental Physics
  
  Volume: 083E01 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 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 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 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
  
  Progress of Theoretical and Experimental Physics
  
  Volume: 2015 2
- 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
  
  Progress of Theoretical and Experimental Physics
  
  Volume: 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
  
  Progress of Theoretical and Experimental Physics
  
  Volume: 2014 9
- 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
  
  Volume: 90, 063513 Pages: 063513-063513
- 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
  
  Physical Review
  
  Volume: D 90 Pages: 023516-023516
- DOI
  10.1103/physrevd.90.023516
- Peer Reviewed / Acknowledgement Compliant / 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 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
  
  Journal of cosmology and astroparticle physics
  
  Volume: 1310 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
  
  Physical Review
  
  Volume: D87 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 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: 12 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: 1 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: 2 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: 1 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: 2 results
35. 小松英一郎

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
36. 横山修一郎

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
37. 今西昌俊

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
38. 嶋作一大

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
39. 高田昌広

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
40. 岩田生

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
41. 諸隈智貴

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
42. 田中賢幸

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

CHIBA Takeshi 千葉 剛

Research Projects

Research Products

Co-Researchers

Direct Detection of Cosmic Acceleration by TMT & High Dispersion Spectrograph

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Gravitational Constant and AstrophysicsPrincipal Investigator

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Quest for the ultimate theory on the basis of direct observations of the early evolution of the universe

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research on cosmological nonlinear and non-perturbative gravitational phenomena

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宇宙定数のテストPrincipal Investigator

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Testing general relativity at cosmological distancesPrincipal Investigator

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Development of a laser interferometer for super-high gravitational wave detection and search for gravitational wave sources

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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

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重力波源と波形の研究

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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

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[Book] 宇宙物理学ハンドブック2020

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[Book] ニュートン別冊「宇宙の７大テーマ」2015

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[Book] ニュートン別冊「無と有の物理学」2015

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CHIBA Takeshi 千葉剛

[Book] ニュートン2012年10月号特集「ダークエネルギー」2012

[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

[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