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Kazufumi Takahashi
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All published works
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Title
Year
Authors
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Bridging dark energy and black holes with EFT: frame transformation and gravitational wave speed
2025
Shinji Mukohyama
Emeric Seraille
Kazufumi Takahashi
Vicharit Yingcharoenrat
+
PDF
Chat
Tidal Love numbers from EFT of black hole perturbations with timelike scalar profile
2024
Chams Gharib Ali Barura
Hajime Kobayashi
Shinji Mukohyama
Naritaka Oshita
Kazufumi Takahashi
Vicharit Yingcharoenrat
+
PDF
Chat
Bridging Dark Energy and Black Holes with EFT: Frame Transformation and Gravitational Wave Speed
2024
Shinji Mukohyama
Emeric Seraille
Kazufumi Takahashi
Vicharit Yingcharoenrat
+
PDF
Chat
CMB spectrum in unified EFT of dark energy: scalar-tensor and vector-tensor theories
2024
Katsuki Aoki
Mohammad Ali Gorji
Takashi Hiramatsu
Shinji Mukohyama
Masroor C. Pookkillath
Kazufumi Takahashi
+
PDF
Chat
Black holes, multiple propagation speeds, and energy extraction
2024
VĂtor Cardoso
Shinji Mukohyama
Naritaka Oshita
Kazufumi Takahashi
+
PDF
Chat
(In)stability of the black hole greybody factors and ringdowns against a small-bump correction
2024
Naritaka Oshita
Kazufumi Takahashi
Shinji Mukohyama
+
PDF
Chat
Tidal Love Numbers from EFT of Black Hole Perturbations with Timelike Scalar Profile
2024
Chams Gharib Ali Barura
Hajime Kobayashi
Shinji Mukohyama
Naritaka Oshita
Kazufumi Takahashi
Vicharit Yingcharoenrat
+
PDF
Chat
CMB spectrum in unified EFT of dark energy: scalar-tensor and vector-tensor theories
2024
Katsuki Aoki
Mohammad Ali Gorji
Takashi Hiramatsu
Shinji Mukohyama
Masroor C. Pookkillath
Kazufumi Takahashi
+
PDF
Chat
Black holes, multiple propagation speeds, and energy extraction
2024
VĂtor Cardoso
Shinji Mukohyama
Naritaka Oshita
Kazufumi Takahashi
+
PDF
Chat
Effective field theory of black hole perturbations in vector-tensor gravity
2024
Katsuki Aoki
Mohammad Ali Gorji
Shinji Mukohyama
Kazufumi Takahashi
Vicharit Yingcharoenrat
+
PDF
Chat
Black hole ringdown from physically sensible initial value problem in higher-order scalar-tensor theories
2024
Keisuke Nakashi
Masashi Kimura
Hayato Motohashi
Kazufumi Takahashi
+
PDF
Chat
Consistency of higher-derivative couplings to matter fields in scalar-tensor gravity
2023
Tact Ikeda
Kazufumi Takahashi
Tsutomu Kobayashi
+
PDF
Chat
Effective description of generalized disformal theories
2023
Kazufumi Takahashi
Masato Minamitsuji
Hayato Motohashi
+
PDF
Chat
Quasinormal modes from EFT of black hole perturbations with timelike scalar profile
2023
Shinji Mukohyama
Kazufumi Takahashi
Keitaro Tomikawa
Vicharit Yingcharoenrat
+
PDF
Chat
Cosmological gravity probes: Connecting recent theoretical developments to forthcoming observations
2023
Shun Arai
Katsuki Aoki
Y. Chinone
Rampei Kimura
Tsutomu Kobayashi
Hironao Miyatake
Daisuke Yamauchi
Shuichiro Yokoyama
Kazuyuki Akitsu
Takashi Hiramatsu
+
PDF
Chat
Approximately stealth black hole in higher-order scalar-tensor theories
2023
Antonio De Felice
Shinji Mukohyama
Kazufumi Takahashi
+
PDF
Chat
Consistency of matter coupling in modified gravity
2023
Kazufumi Takahashi
Rampei Kimura
Hayato Motohashi
+
Consistency of higher derivative couplings to matter fields in scalar-tensor gravity
2023
Tact Ikeda
Kazufumi Takahashi
Tsutomu Kobayashi
+
Effective description of generalized disformal theories
2023
Kazufumi Takahashi
Masato Minamitsuji
Hayato Motohashi
+
Quasinormal Modes from EFT of Black Hole Perturbations with Timelike Scalar Profile
2023
Shinji Mukohyama
Kazufumi Takahashi
Keitaro Tomikawa
Vicharit Yingcharoenrat
+
Invertible disformal transformations with arbitrary higher-order derivatives
2023
Kazufumi Takahashi
+
Black hole ringdown from physically sensible initial value problem in higher-order scalar-tensor theories
2023
Keisuke Nakashi
Masashi Kimura
Hayato Motohashi
Kazufumi Takahashi
+
Effective Field Theory of Black Hole Perturbations in Vector-Tensor Gravity
2023
Katsuki Aoki
Mohammad Ali Gorji
Shinji Mukohyama
Kazufumi Takahashi
Vicharit Yingcharoenrat
+
Exact solution for rotating black holes in parity-violating gravity
2023
Hiroaki W. H. Tahara
Kazufumi Takahashi
Masato Minamitsuji
Hayato Motohashi
+
PDF
Chat
Generalized disformal Horndeski theories: Cosmological perturbations and consistent matter coupling
2022
Kazufumi Takahashi
Masato Minamitsuji
Hayato Motohashi
+
PDF
Chat
Generalized Regge-Wheeler equation from Effective Field Theory of black hole perturbations with a timelike scalar profile
2022
Shinji Mukohyama
Kazufumi Takahashi
Vicharit Yingcharoenrat
+
PDF
Chat
Effective field theory of gravitating continuum: solids, fluids, and aether unified
2022
Katsuki Aoki
Mohammad Ali Gorji
Shinji Mukohyama
Kazufumi Takahashi
+
PDF
Chat
Linear stability of black holes with static scalar hair in full Horndeski theories: Generic instabilities and surviving models
2022
Masato Minamitsuji
Kazufumi Takahashi
Shinji Tsujikawa
+
PDF
Chat
Black hole perturbations in higher-order scalar–tensor theories: initial value problem and dynamical stability
2022
Keisuke Nakashi
Masashi Kimura
Hayato Motohashi
Kazufumi Takahashi
+
PDF
Chat
Avoidance of Strong Coupling in General Relativity Solutions with a Timelike Scalar Profile in a Class of Ghost-Free Scalar-Tensor Theories
2022
Antonio De Felice
Shinji Mukohyama
Kazufumi Takahashi
+
Extended mimetic gravity: Hamiltonian analysis and gradient instabilities
2022
Kazufumi Takahashi
Tsutomu Kobayashi
+
PDF
Chat
Linear stability of black holes in shift-symmetric Horndeski theories with a time-independent scalar field
2022
Masato Minamitsuji
Kazufumi Takahashi
Shinji Tsujikawa
+
PDF
Chat
Invertible disformal transformations with higher derivatives
2022
Kazufumi Takahashi
Hayato Motohashi
Masato Minamitsuji
+
PDF
Chat
The effective field theory of vector-tensor theories
2022
Katsuki Aoki
Mohammad Ali Gorji
Shinji Mukohyama
Kazufumi Takahashi
+
Black hole perturbations in higher-order scalar-tensor theories: initial value problem and dynamical stability
2022
Keisuke Nakashi
Masashi Kimura
Hayato Motohashi
Kazufumi Takahashi
+
Effective Field Theory of Gravitating Continuum: Solids, Fluids, and Aether Unified
2022
Katsuki Aoki
Mohammad Ali Gorji
Shinji Mukohyama
Kazufumi Takahashi
+
Generalized disformal Horndeski theories: cosmological perturbations and consistent matter coupling
2022
Kazufumi Takahashi
Masato Minamitsuji
Hayato Motohashi
+
Generalized Regge-Wheeler Equation from Effective Field Theory of Black Hole Perturbations with a Timelike Scalar Profile
2022
Shinji Mukohyama
Kazufumi Takahashi
Vicharit Yingcharoenrat
+
Cosmological gravity probes: connecting recent theoretical developments to forthcoming observations
2022
Shun Arai
Katsuki Aoki
Y. Chinone
Rampei Kimura
Tsutomu Kobayashi
Hironao Miyatake
Daisuke Yamauchi
Shuichiro Yokoyama
Kazuyuki Akitsu
Takashi Hiramatsu
+
Approximately stealth black hole in higher-order scalar-tensor theories
2022
Antonio De Felice
Shinji Mukohyama
Kazufumi Takahashi
+
Consistency of matter coupling in modified gravity
2022
Kazufumi Takahashi
Rampei Kimura
Hayato Motohashi
+
PDF
Chat
Nonlinear definition of the shadowy mode in higher-order scalar-tensor theories
2021
Antonio De Felice
Shinji Mukohyama
Kazufumi Takahashi
+
PDF
Chat
Cosmic no-hair conjecture and inflation with an SU(3) gauge field
2021
Pengyuan Gao
Kazufumi Takahashi
Asuka Ito
Jiro Soda
+
The Effective Field Theory of Vector-Tensor Theories
2021
Katsuki Aoki
Mohammad Ali Gorji
Shinji Mukohyama
Kazufumi Takahashi
+
PDF
Chat
Black hole perturbations in DHOST theories: master variables, gradient instability, and strong coupling
2021
Kazufumi Takahashi
Hayato Motohashi
+
Invertible disformal transformations with higher derivatives
2021
Kazufumi Takahashi
Hayato Motohashi
Masato Minamitsuji
+
PDF
Chat
Theories with limited extrinsic curvature and a nonsingular anisotropic universe
2020
Yuki Sakakihara
Daisuke Yoshida
Kazufumi Takahashi
Jerome Quintin
+
PDF
Chat
Effective field theory of anisotropic inflation and beyond
2020
Jinn-Ouk Gong
Toshifumi Noumi
Gary Shiu
Jiro Soda
Kazufumi Takahashi
Masahide Yamaguchi
+
PDF
Chat
Extended cuscuton as dark energy
2020
Aya Iyonaga
Kazufumi Takahashi
Tsutomu Kobayashi
+
PDF
Chat
General Relativity solutions with stealth scalar hair in quadratic higher-order scalar-tensor theories
2020
Kazufumi Takahashi
Hayato Motohashi
+
Limiting extrinsic curvature theory and stable non-singular anisotropic universe
2020
Yuki Sakakihara
Daisuke Yoshida
Kazufumi Takahashi
Jerome Quintin
+
PDF
Chat
Ghost-free resummation of gravitational interactions of a two-form gauge field
2020
Kazufumi Takahashi
Daisuke Yoshida
+
PDF
Chat
Linear stability analysis of hairy black holes in quadratic degenerate higher-order scalar-tensor theories: Odd-parity perturbations
2019
Kazufumi Takahashi
Hayato Motohashi
Masato Minamitsuji
+
PDF
Chat
Generalized 2D dilaton gravity and kinetic gravity braiding
2019
Kazufumi Takahashi
Tsutomu Kobayashi
+
PDF
Chat
Extended cuscuton: formulation
2018
Aya Iyonaga
Kazufumi Takahashi
Tsutomu Kobayashi
+
PDF
Chat
Extended mimetic gravity: Hamiltonian analysis and gradient instabilities
2017
Kazufumi Takahashi
Tsutomu Kobayashi
+
PDF
Chat
Stable black holes in shift-symmetric Horndeski theories
2017
D. A. Tretyakova
Kazufumi Takahashi
+
PDF
Chat
General invertible transformation and physical degrees of freedom
2017
Kazufumi Takahashi
Hayato Motohashi
Teruaki Suyama
Tsutomu Kobayashi
+
PDF
Chat
Linear perturbation analysis of hairy black holes in shift-symmetric Horndeski theories: Odd-parity perturbations
2017
Kazufumi Takahashi
Teruaki Suyama
+
PDF
Chat
Fundamental theorem on gauge fixing at the action level
2016
Hayato Motohashi
Teruaki Suyama
Kazufumi Takahashi
+
PDF
Chat
Universal instability of hairy black holes in Lovelock-Galileon theories in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>D</mml:mi></mml:math>dimensions
2016
Kazufumi Takahashi
Teruaki Suyama
Tsutomu Kobayashi
+
PDF
Chat
Equation of state of dark energy in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mi>f</mml:mi><mml:mo stretchy="false">(</mml:mo><mml:mi>R</mml:mi><mml:mo stretchy="false">)</mml:mo></mml:mrow></mml:math>gravity
2015
Kazufumi Takahashi
Jun’ichi Yokoyama
+
PDF
Chat
Holographic Entropy Bound in Two-Dimensional Gravity
2003
Masafumi Fukuma
Akihiro Miwa
Kazufumi Takahashi
Common Coauthors
Coauthor
Papers Together
Shinji Mukohyama
23
Hayato Motohashi
18
Masato Minamitsuji
10
Vicharit Yingcharoenrat
10
Katsuki Aoki
10
Tsutomu Kobayashi
8
Mohammad Ali Gorji
8
Naritaka Oshita
5
Teruaki Suyama
4
Takashi Hiramatsu
4
Keisuke Nakashi
4
Masashi Kimura
4
Antonio De Felice
4
Rampei Kimura
4
Daisuke Yoshida
3
Tsutomu Kobayashi
3
Masroor C. Pookkillath
2
Atsushi Taruya
2
Tact Ikeda
2
Maresuke Shiraishi
2
Shinji Tsujikawa
2
Yuki Sakakihara
2
Toshiya Namikawa
2
Daisuke Yamauchi
2
Aya Iyonaga
2
Keitaro Tomikawa
2
VĂtor Cardoso
2
Teppei Okumura
2
Y. Chinone
2
Kazuyuki Akitsu
2
Masato Shirasaki
2
Jerome Quintin
2
Junsei Tokuda
2
Tomomi Sunayama
2
Ryotaro Kase
2
Taishi Katsuragawa
2
Jiro Soda
2
Shuichiro Yokoyama
2
Takahiro Nishimichi
2
Emeric Seraille
2
Chams Gharib Ali Barura
2
Hajime Kobayashi
2
Shin'ichi Hirano
1
Shun Arai
1
Gary Shiu
1
Hironao Miyatake
1
Hironao Miyatake
1
Asuka Ito
1
Jun’ichi Yokoyama
1
Masafumi Fukuma
1
Commonly Cited References
Action
Title
Year
Authors
# of times referenced
+
PDF
Chat
From<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>k</mml:mi></mml:math>-essence to generalized Galileons
2011
CĂ©dric Deffayet
Xian Gao
D. A. Steer
George Zahariade
31
+
PDF
Chat
Degenerate higher derivative theories beyond Horndeski: evading the Ostrogradski instability
2016
David Langlois
Karim Noui
30
+
PDF
Chat
Degenerate higher order scalar-tensor theories beyond Horndeski up to cubic order
2016
Jibril Ben Achour
Marco Crisostomi
K. Koyama
David Langlois
Karim Noui
Gianmassimo Tasinato
27
+
PDF
Chat
Healthy degenerate theories with higher derivatives
2016
Hayato Motohashi
Karim Noui
Teruaki Suyama
Masahide Yamaguchi
David Langlois
25
+
PDF
Chat
Mimetic gravity as DHOST theories
2019
David Langlois
Michele Mancarella
Karim Noui
Filippo Vernizzi
23
+
PDF
Chat
Fundamental theorem on gauge fixing at the action level
2016
Hayato Motohashi
Teruaki Suyama
Kazufumi Takahashi
23
+
PDF
Chat
Extended mimetic gravity: Hamiltonian analysis and gradient instabilities
2017
Kazufumi Takahashi
Tsutomu Kobayashi
23
+
PDF
Chat
Generalized instantaneous modes in higher-order scalar-tensor theories
2018
Antonio De Felice
David Langlois
Shinji Mukohyama
Karim Noui
Anzhong Wang
22
+
PDF
Chat
Third order equations of motion and the Ostrogradsky instability
2015
Hayato Motohashi
Teruaki Suyama
20
+
PDF
Chat
Derivative-dependent metric transformation and physical degrees of freedom
2015
Guillem Domènech
Shinji Mukohyama
Ryo Namba
Atsushi Naruko
Rio Saitou
Yota Watanabe
19
+
PDF
Chat
Causal field theory with an infinite speed of sound
2007
Niayesh Afshordi
Daniel J. H. Chung
Ghazal Geshnizjani
18
+
PDF
Chat
Ghost-free theories with arbitrary higher-order time derivatives
2018
Hayato Motohashi
Teruaki Suyama
Masahide Yamaguchi
18
+
PDF
Chat
General invertible transformation and physical degrees of freedom
2017
Kazufumi Takahashi
Hayato Motohashi
Teruaki Suyama
Tsutomu Kobayashi
17
+
PDF
Chat
Relation between physical and gravitational geometry
1993
Jacob D. Bekenstein
17
+
PDF
Chat
Invertible disformal transformations with higher derivatives
2022
Kazufumi Takahashi
Hayato Motohashi
Masato Minamitsuji
17
+
PDF
Chat
Extended cuscuton: formulation
2018
Aya Iyonaga
Kazufumi Takahashi
Tsutomu Kobayashi
17
+
PDF
Chat
Nonlinear definition of the shadowy mode in higher-order scalar-tensor theories
2021
Antonio De Felice
Shinji Mukohyama
Kazufumi Takahashi
16
+
PDF
Chat
Linear stability analysis of hairy black holes in quadratic degenerate higher-order scalar-tensor theories: Odd-parity perturbations
2019
Kazufumi Takahashi
Hayato Motohashi
Masato Minamitsuji
16
+
PDF
Chat
New Class of Consistent Scalar-Tensor Theories
2015
JĂ©rĂ´me Gleyzes
David Langlois
Federico Piazza
Filippo Vernizzi
16
+
PDF
Chat
Horndeski theory and beyond: a review
2019
Tsutomu Kobayashi
15
+
PDF
Chat
General Relativity solutions with stealth scalar hair in quadratic higher-order scalar-tensor theories
2020
Kazufumi Takahashi
Hayato Motohashi
15
+
PDF
Chat
Existence and instability of hairy black holes in shift-symmetric Horndeski theories
2020
Justin Khoury
Mark Trodden
Sam S. C. Wong
15
+
PDF
Chat
Avoidance of Strong Coupling in General Relativity Solutions with a Timelike Scalar Profile in a Class of Ghost-Free Scalar-Tensor Theories
2022
Antonio De Felice
Shinji Mukohyama
Kazufumi Takahashi
14
+
PDF
Chat
Transforming gravity: From derivative couplings to matter to second-order scalar-tensor theories beyond the Horndeski Lagrangian
2014
Miguel Zumalacárregui
J. GarcĂa-Bellido
13
+
PDF
Chat
Gravitational Waves and Gamma-Rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A
2017
B. P. Abbott
R. Abbott
T. D. Abbott
F. Acernese
K. Ackley
C. Adams
T. Adams
P. Addesso
R. X. Adhikari
V. B. Adya
13
+
PDF
Chat
Exact black hole solutions in shift-symmetric quadratic degenerate higher-order scalar-tensor theories
2019
Hayato Motohashi
Masato Minamitsuji
13
+
PDF
Chat
Quantum Ostrogradsky theorem
2020
Hayato Motohashi
Teruaki Suyama
12
+
PDF
Chat
GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral
2017
B. P. Abbott
R. Abbott
T. D. Abbott
F. Acernese
K. Ackley
C. Adams
T. Adams
P. Addesso
R. X. Adhikari
V. B. Adya
12
+
PDF
Chat
Generalized disformal Horndeski theories: Cosmological perturbations and consistent matter coupling
2022
Kazufumi Takahashi
Masato Minamitsuji
Hayato Motohashi
12
+
PDF
Chat
Extended cuscuton as dark energy
2020
Aya Iyonaga
Kazufumi Takahashi
Tsutomu Kobayashi
12
+
PDF
Chat
Unifying framework for scalar-tensor theories of gravity
2014
Xian Gao
12
+
PDF
Chat
The effective field theory of vector-tensor theories
2022
Katsuki Aoki
Mohammad Ali Gorji
Shinji Mukohyama
Kazufumi Takahashi
11
+
PDF
Chat
Hamiltonian unboundedness vs stability with an application to Horndeski theory
2018
Eugeny Babichev
Christos Charmousis
Gilles Esposito-Farèse
Antoine Lehébel
11
+
PDF
Chat
Stability of Black Holes and the Speed of Gravitational Waves within Self-Tuning Cosmological Models
2018
Eugeny Babichev
Christos Charmousis
Gilles Esposito-Farèse
Antoine Lehébel
11
+
PDF
Chat
Instability of hairy black holes in shift-symmetric Horndeski theories
2016
Hiromu OGAWA
Tsutomu Kobayashi
Teruaki Suyama
11
+
PDF
Chat
Black holes in the ghost condensate
2005
Shinji Mukohyama
11
+
PDF
Chat
Observation of Gravitational Waves from a Binary Black Hole Merger
2016
B. P. Abbott
R. Abbott
T. D. Abbott
M. R. Abernathy
F. Acernese
K. Ackley
C. Adams
T. Adams
P. Addesso
R. X. Adhikari
11
+
General Relativity solutions in modified gravity
2018
Hayato Motohashi
Masato Minamitsuji
11
+
PDF
Chat
Linear perturbation analysis of hairy black holes in shift-symmetric Horndeski theories: Odd-parity perturbations
2017
Kazufumi Takahashi
Teruaki Suyama
10
+
PDF
Chat
Stealth dark energy in scordatura DHOST theory
2021
Mohammad Ali Gorji
Hayato Motohashi
Shinji Mukohyama
10
+
PDF
Chat
Perturbations of stealth black holes in degenerate higher-order scalar-tensor theories
2019
Claudia de Rham
Jun Zhang
10
+
PDF
Chat
Ghost inflation
2004
Nima Arkani–Hamed
Paolo Creminelli
Shinji Mukohyama
MatĂas Zaldarriaga
10
+
PDF
Chat
Effective field theory of black hole perturbations with timelike scalar profile: formulation
2022
Shinji Mukohyama
Vicharit Yingcharoenrat
10
+
PDF
Chat
Stable black holes in shift-symmetric Horndeski theories
2017
D. A. Tretyakova
Kazufumi Takahashi
9
+
PDF
Chat
Generalized G-Inflation: --Inflation with the Most General Second-Order Field Equations--
2011
Tsutomu Kobayashi
Masahide Yamaguchi
Jun’ichi Yokoyama
9
+
PDF
Chat
Novel matter coupling in general relativity via canonical transformation
2018
Katsuki Aoki
Chunshan Lin
Shinji Mukohyama
9
+
PDF
Chat
Hairy Schwarzschild-(A)dS black hole solutions in degenerate higher order scalar-tensor theories beyond shift symmetry
2019
Jibril Ben Achour
Hongguang Liu
9
+
PDF
Chat
Degenerate higher order scalar-tensor theories beyond Horndeski and disformal transformations
2016
Jibril Ben Achour
David Langlois
Karim Noui
9
+
PDF
Chat
Disformal invariance of second order scalar-tensor theories: Framing the Horndeski action
2013
Dario Bettoni
Stefano Liberati
9
+
PDF
Chat
Effective description of higher-order scalar-tensor theories
2017
David Langlois
Michele Mancarella
Karim Noui
Filippo Vernizzi
9