Publication List
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- Takeshi Chiba and Shunichiro Kinoshita,
Note on the Time Dilation for Charged Quantum Clocks
- Takeshi Chiba and Shunichiro Kinoshita,
Quantum Clocks, Gravitational Time Dilation, and Quantum Interference, Phys. Rev. D106, 124035 (2022).
- Takeshi Chiba, Spontaneous Scalarization in Scalar-Tensor Theories with
Conformal Symmetry as an Attractor, Prog.Theor.Exp.Phys., 2022, 013E01 (2022).
- Seiji Kawamura et al., Current status of space gravitational wave antenna DECIGO and B-DECIGO,
Prog.Theor.Exp.Phys., 2021, 05A105 (2021).
- Takeshi Chiba, Fabio Chibana, Masahide Yamaguchi,
Disformal Invariance of Cosmological Observables, JCAP, 06 (2020) 003.
- Takuya Inoue, Eiichiro Komatsu, Wako Aoki, Takeshi Chiba, Toru Misawa, Tomonori Usuda,
The effect of our local motion on the Sandage-Loeb test of the cosmic expansion,
Publ.Astron.Soc.Japan., 72, L1 (2020).
- Seiji Kawamura et al.,
Space Gravitational Wave Antenna DECIGO and B-DECIGO,
International Journal of Modern Physics D28, 1845001 (2019).
- Sachiko Kuroyanagi, Takeshi Chiba, Tomo Takahashi,
Probing the Universe through the Stochastic Gravitational Wave Background, JCAP, 11 (2018) 038.
- Takeshi Chiba,
Reconstructing f(R) Gravity from the Spectral Index, Prog.Theor.Exp.Phys., 2018, 113E01 (2018).
- Takeshi Chiba, Shuichiro Yokoyama,
Spin Distribution of Primordial Black Holes, Prog.Theor.Exp.Phys., 2017, 083E01 (2017).
- Shuichi Sato et al., The status of DECIGO, J.Phys.Conf.Ser. 840, 012010 (2017).
- Junpei Ooba, Kiyotomo Ichiki, Takeshi Chiba, Naoshi Sugiyama,
Cosmological Constraints on Scalar-Tensor Gravity and the Variation of the Gravitational Constant,
Prog.Theor.Exp.Phys., 2017, 043E03 (2017).
- Takeshi Chiba and Masashi Kimura,
A Note on Geodecis in the Hayward Metric,
Prog.Theor.Exp.Phys., 2017, 043E01 (2017).
- Junpei Ooba, Kiyotomo Ichiki, Takeshi Chiba, Naoshi Sugiyama,
Planck Constraints on Scalar-Tensor Cosmology and the Variation of the Gravitational Constant, Phys. Rev. D93, 122002 (2016).
- Takeshi Chiba,
Reconstructing the Inflaton Potential from the Spectral Index,
Prog.Theor.Exp.Phys., 2015, 073E02 (2015).
- Takeshi Chiba, Kazunori Kohri,
Consistency Relations for Large Field Inflation: Nonminimal coupling,
Prog.Theor.Exp.Phys., 2015, 023E01 (2015).
- Ryo Shiose, Masashi Kimura, Takeshi Chiba,
Motion of Charged Particles around a Weakly Magnetized Rotating Black Hole,
Phys. Rev. D90, 124016 (2014).
- Takeshi Chiba, Kazunori Kohri,
Consistency Relations for Large Field Inflation,
Prog.Theor.Exp.Phys. 2014, 093E01 (2014).
- Sachiko Kuroyanagi, Shinji Tsujikawa, Takeshi Chiba, Naoshi Sugiyama,
Implication of the B-mode Polarization Measurement for Direct Detection of Inflationary Gravitationary Waves, Phys. Rev. D90, 063513 (2014).
- Takeshi Chiba, Antonio De Felice, Shinji Tsujikawa,
Cosmological Scaling Solutions for Multiple Scalar Fields, Phys. Rev. D90, 023516 (2014).
- Takeshi Chiba, Masahide Yamaguchi,
Conformal-Frame (In)dependence of Cosmological Observations in Scalar-Tensor Theory, JCAP, 10 (2013) 040.
- Takeshi Chiba, Antonio De Felice, Shinji Tsujikawa,
Observational Constraints on Quintessence: Thawing, Tracker, and Scaling Models, Phys. Rev. D87, 083505 (2013).
- Akifumi Yumoto, Daisuke Nitta, Takeshi Chiba, Naoshi Sugiyama,
Shadows of Multi-Black Holes: Analytic Exploration, Phys. Rev. D86, 103001 (2012).
- Takeshi Chiba, The Constancy of the Constants of Nature: Updates,
Prog. Theor. Phys. 126, 993 (2011).
- Daisuke Nitta, Takeshi Chiba, Naoshi Sugiyama, Shadows of Colliding Black Holes, Phys. Rev. D84, 063008 (2011).
- Takeshi Chiba, Masahide Yamaguchi,
Runaway Domain Wall and Space-time Varying alpha,
JCAP, 03 (2011) 044.
- Seiji Kawamura et al.,
The Japanese Space Gravitational Wave Antenna: DECIGO,
Class. Quantum Grav., 28, 094011 (2011).
- Sachiko Kuroyanagi, Takeshi Chiba, Naoshi Sugiyama,
Prospects for Direct Detection of Inflationary Gravitational Waves by Next Generation Inteferometric Detectors, Phys. Rev. D83, 043514 (2011).
- Takeshi Chiba, Kohei Kamada, Shinta Kasuya, Masahide Yamaguchi,
Fate of Thermal Log Type Q Balls, Phys. Rev. D82, 103534 (2010).
- Takeshi Chiba, Masaru Siino, Masahide Yamaguchi,
Slow-roll Extended Quintessence, Phys. Rev. D81, 083530 (2010).
- Takeshi Chiba, Kohei Kamada, Masahide Yamaguchi,
Gravitational Waves from Q-ball Formation, Phys. Rev. D81, 083503 (2010).
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Masaki Ando et al.,
DECIGO and DECIGO Pathfinder,
Class. Quantum Grav., 27, 084010 (2010).
- Takeshi Chiba, The Equation of State of Tracker Fields,
Phys. Rev. D81, 023515 (2010).
- Takeshi Chiba, Sourish Dutta, Robert J. Scherrer, Slow-roll k-essence,
Phys. Rev. D80, 043517 (2009).
- Sachiko Kuroyanagi, Takeshi Chiba and Naoshi Sugiyama,
Precision Calculations of the Gravitational Wave Background Spectrum from Inflation, Phys. Rev. D79, 103501 (2009).
- Takeshi Chiba,
Slow-Roll Thawing Quintessence, Phys. Rev. D79, 083517 (2009).
- Masaki Ando et al., DECIGO Pathfinder, Class. Quantum Grav., 26, 094019 (2009).
- Shuichi Sato et al., DECIGO: The Japanese Space Gravitational Wave Antenna, J.Phys.Conf.Ser. 154, 012040 (2009).
- Takeshi Chiba and Masahide Yamaguchi,
Extended Slow-Roll Conditions and Primordial Fluctuations:
Multiple Scalar Fields and Generalized Gravity,
JCAP, 01 (2009) 019.
- Takeshi Chiba and Masahide Yamaguchi,
Extended Slow-Roll Conditions and Rapid-Roll Conditions,
JCAP, 10 (2008) 021.
- T. Akutsu et al., Development of a detector pair for very high
frequency gravitational waves,
J.Phys.Conf.Ser. 122, 012007 (2008).
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Seiji Kawamura et al., The Japanese Space Gravitational Wave Antenna - DECIGO,
J.Phys.Conf.Ser. 122, 012006 (2008).
- Masaki Ando et al., DECIGO Pathfinder,
J.Phys.Conf.Ser. 120, 032005 (2008).
- Seiji Kawamura et al., The Japanese Space Gravitational Wave Antenna; DECIGO,
J.Phys.Conf.Ser. 120, 032004 (2008).
- Takeshi Chiba,
Initial Conditions for Vector Inflation,
JCAP, 08(2008)004.
- Tomotada Akutsu et al., Search for a Stochastic Background of 100 MHz Gravitational Waves with Laser Interferometers,
Phys. Rev. Lett.
101, 101101 (2008).
- Takeshi Chiba, Tristan L. Smith and Adrienne L. Erickcek, Reply to "Comments on 'Solar System constraints to general f(R) gravity'", Phys. Rev. D77, 108502 (2008).
- Atsushi Nishizawa et al., Optimal Location of Two Laser-interferometric Detectors for Gravitational Wave Backgrounds at 100 MHz,
Class. Quantum Grav., 25, 225011 (2008).
- Atsushi Nishizawa et al., Laser-interferometric Detectors for Gravitational Wave Background at 100 MHz: Detector Design and Sensitivity,
Phys. Rev. D77, 022002 (2008).
- Takeshi Chiba and Takashi Nakamura, A Null Test of the Cosmological Constant, Prog. Theor. Phys. 118, 815-819 (2007).
- Takeshi Chiba, Yoshiaki Himemoto, Masahide Yamaguchi, Jun'ichi Yokoyama,
Effective Search Templates for a Primordial Stochastic Gravitational Wave Background, Phys. Rev. D76, 043516 (2007).
- Takeshi Chiba and Ryuichi Takahashi,
Consistency Relation in Cosmology,
Phys. Rev. D75, 101301(R) (2007).
- Ryuichi Takahashi and Takeshi Chiba,
Weak Lensing of Galaxy Clusters in MOND,
Astrophys.J. 671, 45-52 (2007).
- Takeshi Chiba, Tristan L. Smith and Adrienne L. Erickcek,
Solar System Constraints to General f(R) Gravity,
Phys. Rev. D75, 124014 (2007).
- Takeshi Chiba, Tatsuo Kobayashi, Masahide Yamaguchi, and Jun'ichi
Yokoyama, Time Variation of the Proton-electron Mass Ratio
and the Fine Structure Constant with a Runaway Dilaton,
Phys. Rev. D75, 043516 (2007).
- Seiji Kawamura et al., The Japanese space gravitational wave
antenna-DECIGO, Class. Quantum Grav., 23, S125-S131 (2006).
- Takeshi Chiba, w and w' of Scalar Field Models of Dark Energy,
Phys. Rev. D73, 063501 (2006).
- Takeshi Chiba, Generalized Gravity and Ghost,
JCAP,03(2005)008.
- Takeshi Chiba, Ryuichi Takahashi and Naoshi Sugiyama,
Classifying the Future of Universes with Dark Energy,
Class. Quantum Grav., 22, 3745-3758 (2005).
- Satsuki Shimono, Takeshi Chiba,
Numerical Solutions of Inflating Higher Dimensional Global Defects,
Physical Review D71, 084002 (2005).
- Takeshi Chiba and Naoshi Sugiyama,
Does Positronium Form in the Universe?,
JCAP,06(2004)003.
- Ryo Nagata, Takeshi Chiba, Naoshi Sugiyama,
WMAP Constraints on Scalar-Tensor Cosmology and the Variation of
the Gravitational Constant,
Physical Review D69, 083512 (2004).
- Hiroyuki Tashiro, Takeshi Chiba, Misao Sasaki,
Reheating After Quintessential Inflation and Gravitational Waves,
Class. Quantum Grav., 21, 1761-1771 (2004).
- Takeshi Chiba, Fuminobu Takahashi, Masahide Yamaguchi,
Baryogenesis in a Flat Direction with Neither Baryon nor Lepton Charge,
Phys. Rev. Lett., 92, 011301 (2004)
- Takeshi Chiba,
1/R Gravity and Scalar-Tensor Gravity,
Physics Letters B, 575, 1-3 (2003).
- Takeshi Chiba and Kazunori Kohri,
Supernova Cosmology and the Fine Structure Constant,
Progress of Theoretical Physics, 110, 195-199 (2003).
- Ryo Nagata, Takeshi Chiba, Naoshi Sugiyama,
Observational Consequences of Evolution of Primordial Fluctuations
in Scalar-Tensor Cosmology,
Physical Review D66, 103510 (2002).
- Takeshi Chiba,
Tracking k-essence,
Physical Review D66, 063514 (2002).
- Takeshi Chiba and Kazunori Kohri,
Quintessence Cosmology and Varying alpha,
Progress of Theoretical Physics, 107, 631-636 (2002).
- Takeshi Chiba and Ryuichi Takahashi,
Lens Model Degeneracy and Cosmological Tests by Strong Gravitational Lensing,
Progress of Theoretical Physics, 107, 625-630 (2002).
- Takeshi Chiba,
Constancy of the Constants of Nature,
In the Proceedings of Frontier of Cosmology and
Gravitation, (YITP, Kyoto, April 25-27, 2001).(gr-qc/0110118)
- Ryuichi Takahashi and Takeshi Chiba,
Gravitational Lens Statistics and Density Profile of Dark Halos,
The Astrophysical Journal, 563, 489-496 (2001).
- Takeshi Chiba,
Extended Quintessence and its Late-time Domination,
Physical Review D64, 103503 (2001).
- Takashi Nakamura and Takeshi Chiba,
Determining the Equation of State of the Expanding Universe
Using a New Independent Variable,
The Astrophysical Journal, 550, 1-6 (2001).
- Takeshi Chiba and Takashi Nakamura,
Feasibility of Reconstructing the Quintessential Potential Using SNIa Data,
Physical Review D62, 121301(R) (2000).
- Takeshi Chiba,
Scalar-Tensor Gravity in a Two 3-brane System,
Physical Review D62, 021502(R) (2000).
- Takeshi Chiba, Takahiro Okabe, and Masahide Yamaguchi,
Kinetically Driven Quintessence,
Physical Review D62, 023511 (2000).
- Takeshi Chiba and Masahide Yamaguchi,
Extended Open Inflation,
Physical Review D61, 027304 (2000).
- Takeshi Chiba,
Quintessence, the Gravitational Constant, and Gravity,
Physical Review D60, 083508 (1999).
- Takashi Nakamura and Takeshi Chiba,
Determining the Equation of State of the Expanding Universe: Inverse Problem in Cosmology,
Monthly Notices of the Royal Astronomical Society, 306, 696-700 (1999).
- Takeshi Chiba,
Apparent Horizon Formation and Hoop Conjecture in Non-axisymmetric Spaces,
Physical Review D60, 044003 (1999).
- Takeshi Chiba,
Numerical Study of Inhomogeneous Pre-Big-Bang Inflationary Cosmology,
Physical Review D59, 083508 (1999).
- Takeshi Chiba,
Resolving the singularity of the Hawking-Turok type instanton,
Physics Letters B, 442, 59-62 (1998).
- Takeshi Chiba and Takashi Nakamura,
The Luminosity Distance, the Equation of State, and the Geometry of the Universe,
Progress of Theoretical Physics, 100, 1077-1082 (1998).
- Takeshi Chiba, Naoshi Sugiyama, Takashi Nakamura,
Observational tests of x-matter models,
Monthly Notices of the Royal Astronomical Society, 301, 72-80 (1998).
- Takeshi Chiba, Naoshi Sugiyama, Jun'ichi Yokoyama,
Imprints of the Metrically-coupled Dilaton on Density Perturbations in
Inflationary Cosmology,
Nuclear Physics, B530, 304-324 (1998).
- Kunihito Ioka, Takeshi Chiba, Takahiro Tanaka, Takashi Nakamura,
Black Hole Binary Formation in the Expanding Universe -Three Body Problem Approximation -,
Physical Review, D58, 063003 (1998).
- Takeshi Chiba, Ken-ichi Nakao, Kei-ichi Maeda, Taro Tsukamoto,
Two Boosted Black Holes in Asymptotically de Sitter Space-Time - Relation between Mass and Apparent Horizon Formation -,
Physical Review, D57, 6119-6126 (1998).
- Takeshi Chiba, Tomohiro Harada, Ken-ichi Nakao,
Gravitational Physics in Scalar-Tensor Theories -tests of strong field gravity-, in Perturbative and Numerical Approaches to Gravitational Waves,
Progress of Theoretical Physics Supplement, 128, 335-372 (1997).
- Takeshi Chiba,
Generality of inflation and constraints on scalar-tensor theories of gravity,
Classical and Quantum Gravity, 14, 2951-2961 (1997).
- Takeshi Chiba, Shinji Mukohyama, Takashi Nakamura,
The Anisotropy of Cosmic Background Radiation implies the Violation of the Strong Energy Condition in Bianchi type I universe,
Physics Letters, B408, 47-51 (1997).
- Takeshi Chiba, Naoshi Sugiyama, Takashi Nakamura,
Cosmology with x-matter,
Monthly Notices of the Royal Astronomical Society, 289, L5-L9 (1997).
- Takeshi Chiba and Masaru Siino,
Disappearance of Black Hole Criticality in Semiclassical General Relativity,
Modern Physics Letters A, 12 709-718 (1997).
- Takashi Nakamura, Hideya Uehara, Takeshi Chiba,
The Minimum Mass of the First Stars and the Anthropic Principle,
Progress of Theoretical Physics, 97, 169-171 (1997).
- Tomohiro Harada, Takeshi Chiba, Ken-ichi Nakao, Takashi Nakamura,
Scalar Gravitational Waves from Oppenheimer-Snyder Collapse in Scalar-Tensor Theories of Gravity,
Physical Review, D55, 2024-2037 (1997).
- Takeshi Chiba and Jiro Soda,
Critical Behavior in the Brans-Dicke theory of Gravitation,
Progress of Theoretical Physics, 96, 567-574 (1996).
- Takeshi Chiba,
Applying gradient expansion to a perfect fluid and higher dimensions,
General Relativity and Gravitation, 28, 1089-1106 (1996).
- Takeshi Chiba,
Cylindrical Dust Collapse in General Relativity - toward higher dimensional collapse -,
Progress of Theoretical Physics, 95, 321-338 (1996).
- Takashi Nakamura, Ken-ichi Nakao, Takeshi Chiba, Tetsuya Shiromizu,
The Volume Expansion Rate and the Age of the Universe,
Monthly Notices of the Royal Astronomical Society, 276, L41-L44 (1995).
- Ken-ichi Nakao, Naoteru Gouda, Takeshi Chiba, Satoru Ikeuchi, Takashi Nakamura, Masaru Shibata,
The Hubble Parameter in a Void Universe - Effect of the Peculiar Velocity -,
The Astrophysical Journal, 453, 541-544 (1995).
- Takeshi Chiba and Kei-ichi Maeda,
Cosmic Hoop Conjecture?,
Physical Review, D50, 4903-4913 (1994).
- Takeshi Chiba, Ken-ichi Nakao, Takashi Nakamura,
Prohibition of Large Inhomogeneity in the Preinflationary Stage,
Physical Review, D49, 3886-3892 (1994).
- Takeshi Chiba, Takashi Nakamura, Ken-ichi Nakao, Misao Sasaki,
Hoop Conjecture for Apparent Horizon Formation,
Classical and Quantum Gravity, 11, 431-441 (1994).