Stability of hairy black holes in shift-symmetric scalar-tensor theories via the effective field theory approach

Article Physics, Multidisciplinary

Avoidance of Strong Coupling in General Relativity Solutions with a Timelike Scalar Profile in a Class of Ghost-Free Scalar-Tensor Theories

Antonio De Felice et al.

Summary: In modified gravity theories, the strong coupling problem of stealth solutions can be avoided with the use of U-DHOST theories. Additionally, the existence of a nonpropagating mode in U-DHOST theories is clarified.

PHYSICAL REVIEW LETTERS (2022)

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Article Astronomy & Astrophysics

Generalized Regge-Wheeler equation from Effective Field Theory of black hole perturbations with a timelike scalar profile

Shinji Mukohyama et al.

Summary: In this study, the Effective Field Theory (EFT) of perturbations on an arbitrary background metric with a timelike scalar profile was generalized in the context of scalar-tensor theories. The dictionary between the coefficients in the EFT action and those in covariant theories was expanded to include shift-and reflection-symmetric quadratic higher-order scalar-tensor theories, such as DHOST and U-DHOST. The dynamics of odd-parity perturbations on a static and spherically symmetric black hole background with a timelike scalar profile were investigated using the EFT action. The generalized Regge-Wheeler equation obtained in this study can be used to determine the spectrum of quasinormal modes and tidal Love numbers.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2022)

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Article Astronomy & Astrophysics

Effective field theory of black hole perturbations with timelike scalar profile: formulation

Shinji Mukohyama et al.

Summary: This study formulates the Effective Field Theory (EFT) of perturbations within scalar-tensor theories on an inhomogeneous background. A set of consistency relations imposed by the invariance of the EFT under the 3d spatial diffeomorphism is found. This EFT can be applied generically to any in-homogeneous background metric as long as the scalar profile is everywhere timelike.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2022)

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Article Astronomy & Astrophysics

Linear stability of black holes with static scalar hair in full Horndeski theories: Generic instabilities and surviving models

Masato Minamitsuji et al.

Summary: In this paper, the stability of black hole solutions with a static scalar field in full Horndeski theories is studied. The results show that these solutions, with a nonvanishing kinetic term on the black hole horizon, are prone to ghost/Laplacian instabilities. Then, by introducing certain coupling functions, a class of hairy black hole solutions with a vanishing kinetic term on the horizon and free from ghost/Laplacian instabilities is found. Finally, the stability of hairy black hole solutions in power-law F(R2GB) gravity is investigated, and ghost instabilities are found to exist.

PHYSICAL REVIEW D (2022)

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Article Astronomy & Astrophysics

Linear stability of black holes in shift-symmetric Horndeski theories with a time-independent scalar field

Masato Minamitsuji et al.

Summary: In this article, we study linear perturbations about static and spherically symmetric black holes in shift-symmetric Horndeski theories. We clarify conditions for the absence of ghosts and Laplacian instabilities and investigate various black hole solutions in both reflection-symmetric and nonreflection-symmetric theories.

PHYSICAL REVIEW D (2022)

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Article Physics, Particles & Fields

Effective Field Theory for the perturbations of a slowly rotating black hole

Lam Hui et al.

Summary: This study develops an effective theory in two directions for perturbations around black holes with scalar hair, including transformations of the scalar-Gauss-Bonnet theory and perturbations around an axisymmetric, slowly rotating black hole. By utilizing methods like galileon operators, the effective theory for perturbations efficiently describes and constrains a broad range of scalar-tensor theories.

JOURNAL OF HIGH ENERGY PHYSICS (2021)

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Article Astronomy & Astrophysics

Stealth dark energy in scordatura DHOST theory

Mohammad Ali Gorji et al.

Summary: In the context of scalar-tensor theories, stealth de Sitter solutions face issues of infinite strong coupling or gradient instability, which can be resolved by introducing a controlled detuning mechanism known as scordatura. This mechanism not only resolves the mentioned issues, but also ensures a well-defined quasi-static limit.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2021)

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Article Astronomy & Astrophysics

Black hole perturbations in DHOST theories: master variables, gradient instability, and strong coupling

Kazufumi Takahashi et al.

Summary: We studied linear perturbations about static and spherically symmetric black hole solutions with stealth scalar hair in degenerate higher-order scalar-tensor (DHOST) theories. Master variables were clarified and the quadratic Lagrangian for both odd- and even-parity perturbations was derived. It was found that the even modes are generally plagued by gradient instabilities, or else the perturbations would be strongly coupled.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2021)

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Article Astronomy & Astrophysics

Weakly-coupled stealth solution in scordatura degenerate theory

Hayato Motohashi et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2020)

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Article Astronomy & Astrophysics

Hairy black holes in DHOST theories: exploring disformal transformation as a solution generating method

Jibril Ben Achour et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2020)

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Article Astronomy & Astrophysics

Existence and instability of hairy black holes in shift-symmetric Horndeski theories

Justin Khoury et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2020)

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Article Astronomy & Astrophysics

On rotating black holes in DHOST theories

Jibril Ben Achour et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2020)

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Article Astronomy & Astrophysics

Black holes with a nonconstant kinetic term in degenerate higher-order scalar tensor theories

Masato Minamitsuji et al.

PHYSICAL REVIEW D (2020)

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Article Astronomy & Astrophysics

Mimetic gravity as DHOST theories

David Langlois et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2019)

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Article Physics, Particles & Fields

Effective field theory of black hole quasinormal modes in scalar-tensor theories

Gabriele Franciolini et al.

JOURNAL OF HIGH ENERGY PHYSICS (2019)

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Review Physics, Multidisciplinary

Horndeski theory and beyond: a review

Tsutomu Kobayashi

REPORTS ON PROGRESS IN PHYSICS (2019)

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Article Astronomy & Astrophysics

Rotating black holes in higher order gravity

Christos Charmousis et al.

PHYSICAL REVIEW D (2019)

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Article Astronomy & Astrophysics

Black hole solutions in shift-symmetric degenerate higher-order scalar-tensor theories

Masato Minamitsuji et al.

PHYSICAL REVIEW D (2019)

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Article Astronomy & Astrophysics

Perturbations of stealth black holes in degenerate higher-order scalar-tensor theories

Claudia de Rham et al.

PHYSICAL REVIEW D (2019)

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Article Astronomy & Astrophysics

First M87 Event Horizon Telescope Results. I. The Shadow of the Supermassive Black Hole

Kazunori Akiyama et al.

ASTROPHYSICAL JOURNAL LETTERS (2019)

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Article Astronomy & Astrophysics

Hairy Schwarzschild-(A)dS black hole solutions in degenerate higher order scalar-tensor theories beyond shift symmetry

J. Ben Achour et al.

PHYSICAL REVIEW D (2019)

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Article Astronomy & Astrophysics

Exact black hole solutions in shift-symmetric quadratic degenerate higher-order scalar-tensor theories

Hayato Motohashi et al.

PHYSICAL REVIEW D (2019)

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Article Astronomy & Astrophysics

Linear stability analysis of hairy black holes in quadratic degenerate higher-order scalar-tensor theories: Odd-parity perturbations

Kazufumi Takahashi et al.

PHYSICAL REVIEW D (2019)

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Article Astronomy & Astrophysics

The effective theory of shift-symmetric cosmologies

Bernardo Finelli et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2018)

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Article Astronomy & Astrophysics

Higher-derivative operators and effective field theory for general scalar-tensor theories

Adam R. Solomon et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2018)

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Article Physics, Multidisciplinary

Stability of Black Holes and the Speed of Gravitational Waves within Self-Tuning Cosmological Models

Eugeny Babichev et al.

PHYSICAL REVIEW LETTERS (2018)

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Article Astronomy & Astrophysics

Recovering P(X) from a canonical complex field

Eugeny Babichev et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2018)

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Article Astronomy & Astrophysics

Stealth Schwarzschild solution in shift symmetry breaking theories

Masato Minamitsuji et al.

PHYSICAL REVIEW D (2018)

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Article Astronomy & Astrophysics

Hamiltonian unboundedness vs stability with an application to Horndeski theory

E. Babichev et al.

PHYSICAL REVIEW D (2018)

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Article Astronomy & Astrophysics

A no-hair theorem for stars in Horndeski theories

A. Lehebel et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2017)

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Article Astronomy & Astrophysics

Extended mimetic gravity: Hamiltonian analysis and gradient instabilities

Kazufumi Takahashi et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2017)

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Article Astronomy & Astrophysics

Asymptotically flat black holes in Horndeski theory and beyond

E. Babichev et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2017)

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Article Physics, Multidisciplinary

GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral

B. P. Abbott et al.

PHYSICAL REVIEW LETTERS (2017)

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Article Astronomy & Astrophysics

Multi-messenger Observations of a Binary Neutron Star Merger

B. P. Abbott et al.

ASTROPHYSICAL JOURNAL LETTERS (2017)

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Article Astronomy & Astrophysics

Gravitational Waves and Gamma-Rays from a Binary Neutron Star Merger: GW170817 and GRB 170817A

B. P. Abbott et al.

ASTROPHYSICAL JOURNAL LETTERS (2017)

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Article Astronomy & Astrophysics

Black hole hair formation in shift-symmetric generalised scalar-tensor gravity

Robert Benkel et al.

CLASSICAL AND QUANTUM GRAVITY (2017)

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Article Astronomy & Astrophysics

Cosmological self-tuning and local solutions in generalized Horndeski theories

Eugeny Babichev et al.

PHYSICAL REVIEW D (2017)

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Article Astronomy & Astrophysics

Black holes and stars in Horndeski theory

Eugeny Babichev et al.

CLASSICAL AND QUANTUM GRAVITY (2016)

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Article Astronomy & Astrophysics

Degenerate higher derivative theories beyond Horndeski: evading the Ostrogradski instability

David Langlois et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2016)

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Article Astronomy & Astrophysics

Extended scalar-tensor theories of gravity

Marco Crisostomi et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2016)

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Article Physics, Multidisciplinary

Binary Black Hole Mergers in the First Advanced LIGO Observing Run

B. P. Abbott et al.

PHYSICAL REVIEW X (2016)

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Article Physics, Particles & Fields

Degenerate higher order scalar-tensor theories beyond Horndeski up to cubic order

J. Ben Achour et al.

JOURNAL OF HIGH ENERGY PHYSICS (2016)

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Article Astronomy & Astrophysics

Instability of hairy black holes in shift-symmetric Horndeski theories

Hiromu Ogawa et al.

PHYSICAL REVIEW D (2016)

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Article Physics, Multidisciplinary

New Class of Consistent Scalar-Tensor Theories

Jerome Gleyzes et al.

PHYSICAL REVIEW LETTERS (2015)

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Article Astronomy & Astrophysics

Black hole hair in generalized scalar-tensor gravity: An explicit example

Thomas P. Sotiriou et al.

PHYSICAL REVIEW D (2014)

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Article Astronomy & Astrophysics

Black hole perturbation in the most general scalar-tensor theory with second-order field equations. II. The even-parity sector

Tsutomu Kobayashi et al.

PHYSICAL REVIEW D (2014)

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Article Physics, Multidisciplinary

Black Hole Hair in Generalized Scalar-Tensor Gravity

Thomas P. Sotiriou et al.

PHYSICAL REVIEW LETTERS (2014)

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Article Physics, Particles & Fields

Dressing a black hole with a time-dependent Galileon

Eugeny Babichev et al.

JOURNAL OF HIGH ENERGY PHYSICS (2014)

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Article Physics, Multidisciplinary

Exact black hole solutions in shift symmetric scalar-tensor theories

Tsutomu Kobayashi et al.

PROGRESS OF THEORETICAL AND EXPERIMENTAL PHYSICS (2014)

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Article Astronomy & Astrophysics

Essential building blocks of dark energy

Jerome Gleyzes et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2013)

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Article Astronomy & Astrophysics

The pseudo-conformal universe: scale invariance from spontaneous breaking of conformal symmetry

Kurt Hinterbichler et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2012)

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Article Astronomy & Astrophysics

Black hole perturbation in the most general scalar-tensor theory with second-order field equations: The odd-parity sector

Tsutomu Kobayashi et al.

PHYSICAL REVIEW D (2012)

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Article Astronomy & Astrophysics

From k-essence to generalized Galileons

C. Deffayet et al.

PHYSICAL REVIEW D (2011)

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Article Physics, Multidisciplinary

Generalized G-Inflation - Inflation with the Most General Second-Order Field Equations

Tsutomu Kobayashi et al.

PROGRESS OF THEORETICAL PHYSICS (2011)

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Article Astronomy & Astrophysics

Galilean genesis: an alternative to inflation

Paolo Creminelli et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2010)

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Review Astronomy & Astrophysics

Quasinormal modes of black holes and black branes

Emanuele Berti et al.

CLASSICAL AND QUANTUM GRAVITY (2009)

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Article Astronomy & Astrophysics

Harrison-Zeldovich spectrum from conformal invariance

V. A. Rubakov

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2009)

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Article Astronomy & Astrophysics

Covariant Galileon

C. Deffayet et al.

PHYSICAL REVIEW D (2009)

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Article Astronomy & Astrophysics

Generalized Galileons: All scalar models whose curved background extensions maintain second-order field equations and stress tensors

C. Deffayet et al.

PHYSICAL REVIEW D (2009)

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Article Astronomy & Astrophysics

Galileon as a local modification of gravity

Alberto Nicolis et al.

PHYSICAL REVIEW D (2009)

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Article Physics, Particles & Fields

Stationary configurations imply shift symmetry: no Bondi accretion for quintessence/k-essence

Ratindranath Akhoury et al.

JOURNAL OF HIGH ENERGY PHYSICS (2009)

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Article Physics, Particles & Fields

The effective field theory of inflation

Clifford Cheung et al.

JOURNAL OF HIGH ENERGY PHYSICS (2008)

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Article Astronomy & Astrophysics

Black holes in the ghost condensate

S Mukohyama

PHYSICAL REVIEW D (2005)

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Article Astronomy & Astrophysics

Ghost inflation

N Arkani-Hamed et al.

JOURNAL OF COSMOLOGY AND ASTROPARTICLE PHYSICS (2004)

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Stability of hairy black holes in shift-symmetric scalar-tensor theories via the effective field theory approach

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