Dynamical descalarization in binary black hole mergers

Abstract

Scalar fields coupled to the Gauss-Bonnet invariant can undergo a tachyonic instability, leading to spontaneous scalarization of black holes. Studies of this effect have so far been restricted to single black hole spacetimes. We present the first results on dynamical scalarization in head-on collisions and quasicircular inspirals of black hole binaries with numerical relativity simulations. We show that black hole binaries can either form a scalarized remnant or dynamically descalarize by shedding off its initial scalar hair. The observational implications of these findings are discussed.

9 pages, 6 figures. (v2) new references added; (v3) matches published version. For movies of the simulations see https://bhscalarization.bitbucket.io

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Cited by in corpus (69)

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• Improved gravitational-wave constraints on higher-order curvature theories of gravity
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• The Science of the Einstein Telescope
• Black-hole ringdown as a probe of higher-curvature gravity theories
• Nonlinear studies of binary black hole mergers in Einstein-scalar-Gauss-Bonnet gravity
• An approach to computing spectral shifts for black holes beyond Kerr
• Spin-induced dynamical scalarization, de-scalarization and stealthness in scalar-Gauss-Bonnet gravity during black hole coalescence
• Well-posedness of the four-derivative scalar-tensor theory of gravity in singularity avoiding coordinates
• Tests of general relativity in the nonlinear regime: a parametrized plunge-merger-ringdown gravitational waveform model
• Destabilization of black holes and stars by generalized Proca fields
• Are Parametrized Tests of General Relativity with Gravitational Waves Robust to Unknown Higher Post-Newtonian Order Effects?
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• Numerical relativity for Horndeski gravity
• Third post-Newtonian effective-one-body Hamiltonian in scalar-tensor and Einstein-scalar-Gauss-Bonnet gravity
• Binary neutron star mergers in Einstein-scalar-Gauss-Bonnet gravity
• Gravitational wave memory beyond general relativity
• Searching for ringdown higher modes with a numerical relativity-informed post-merger model
• Fixing the dynamical evolution in scalar-Gauss-Bonnet gravity
• Inspiral-merger-ringdown waveforms in Einstein-scalar-Gauss-Bonnet gravity within the effective-one-body formalism
• Dynamical descalarization with a jump during black hole merger
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• Dynamical transitions in scalarization and descalarization through black hole accretion
• Investigating the relation between gravitational wave tests of general relativity
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• Spin-orbit effects for compact binaries in scalar-tensor gravity
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• Measuring the ringdown scalar polarization of gravitational waves in Einstein scalar Gauss-Bonnet gravity
• Nonperturbative gedanken experiments in Einstein-dilaton-Gauss-Bonnet gravity: nonlinear transitions and tests of the cosmic censorship beyond General Relativity
• Nonlinear Evolution of Quadratic Gravity in 3+1 Dimensions
• Spontaneous Scalarization of Black Holes in Gauss-Bonnet Teleparallel Gravity
• Dynamical scalarization in Einstein-Maxwell-dilaton theory
• Nonlinear Dynamics of Quadratic Gravity in Spherical Symmetry
• Neutron Stars in Scalar-Tensor Theories: Analytic Scalar Charges and Universal Relations
• Effective-action model for dynamical scalarization beyond the adiabatic approximation
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• Holographic renormalization of Horndeski gravity
• The simplest model of a scalarized black hole in the Einstein-Klein-Gordon theory
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• Quasistationary hair for binary black hole initial data in scalar Gauss-Bonnet gravity
• High precision numerical sequences of rotating hairy black holes
• Tachyonic instability and spontaneous scalarization in parameterized Schwarzschild-like black holes
• Shrouded black holes in Einstein-Gauss-Bonnet gravity
• Instabilities of scalar fields around oscillating stars
• New model of spontaneous scalarization of black holes induced by curvature and matter
• CLAP for modified gravity: scalar instabilities in binary black hole spacetimes
• Spin-up and mass-gain in hyperbolic encounters of spinning black holes
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• Dynamical hair growth in black hole binaries in Einstein-scalar-Gauss-Bonnet gravity
• Exploring Scalarized Einstein-Gauss-Bonnet Theories Through the Lens of Parametrized Post-Newtonian Formalism
• Scalarized Black Holes
• Hairless Black Hole by Superradiance
• Challenging the cosmic censorship in Einstein-Maxwell-scalar theory with numerically simulated gedankenexperiments
• The ghost of vector fields in compact stars
• Black hole sensitivities in Einstein-scalar-Gauss-Bonnet gravity
• Radial perturbations of scalar-Gauss-Bonnet black holes beyond spontaneous scalarization