Testing gravity with gravitational wave friction and gravitational slip

Abstract

Gravitational waves (GWs) emitted by binary sources are interesting signals for testing gravity on cosmological scales since they allow measurements of the luminosity distance. When followed by electromagnetic counterparts, in particular, they enable a reconstruction of the GW-distance-redshift relation. In the context of several modified gravity (MG) theories, even when requiring that the speed of propagation is equal to that of light, this GW distance differs from the standard electromagnetic luminosity distance due to the presence of a modified friction in the GW propagation. The very same source of this friction, which is the running of an effective Planck mass, also affects the scalar sector generating gravitational slip, i.e. a difference between the scalar potentials, an observable that can be inferred from large-scale structure (LSS) probes. In this work, we use a model within effective field theories for dark energy to exemplify precisely the fact that, at the linear perturbation level, parametrizing a single function is already enough to generate simultaneous deviations in the GW distance and the slip. By simulating multi-messenger GW events that might be detected by the Einstein Telescope in the future, we compare the constraining power of the two observables on this single degree of freedom. We then combine forecasts of a Euclid-like survey with GW simulations, coming to the conclusion that, when using Planck data to better constrain the cosmological parameters, those future data on the scalar and tensor sectors are competitive to probe such deviations from General Relativity, with LSS giving stronger (but more model-dependent) results than GWs.

Published version

References in corpus (26)

• GW170817: Observation of Gravitational Waves from a Binary Neutron Star Inspiral
• Multi-messenger Observations of a Binary Neutron Star Merger
• Cosmology and the Fate of Dilatation Symmetry
• Laser Interferometer Space Antenna
• Dark Energy after GW170817: dead ends and the road ahead
• Strong constraints on cosmological gravity from GW170817 and GRB 170817A
• Implications of the Neutron Star Merger GW170817 for Cosmological Scalar-Tensor Theories
• Exploring gravitational theories beyond Horndeski
• Maximal freedom at minimum cost: linear large-scale structure in general modifications of gravity
• Large Scale Structure as a Probe of Gravitational Slip
• Determination of Dark Energy by the Einstein Telescope: Comparing with CMB, BAO and SNIa Observations
• Anisotropic stress as signature of non-standard propagation of gravitational waves
• Observables and unobservables in dark energy cosmologies
• Testing the general theory of relativity using gravitational wave propagation from dark standard sirens
• The phenomenological approach to modeling the dark energy
• MGCAMB with massive neutrinos and dynamical dark energy
• A comparison of Einstein-Boltzmann solvers for testing General Relativity
• How can gravitational-wave standard sirens and 21 cm intensity mapping jointly provide a precise late-universe cosmological probe?
• Generalized framework for testing gravity with gravitational-wave propagation. III. Future prospect
• Impacts of gravitational-wave standard siren observations from Einstein Telescope and Cosmic Explorer on weighing neutrinos in interacting dark energy models
• Gravitational wave propagation in $f(R)$ models: New parametrizations and observational constraints
• Dancing in the dark: detecting a population of distant primordial black holes
• Cosmology with the Einstein Telescope: No Slip Gravity Model and Redshift Specifications
• Measuring anisotropic stress with relativistic effects
• Lunar Laser Ranging Science
• Gravitational wave stochastic background in reduced Horndeski theories

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• The Science of the Einstein Telescope
• Exploiting the Einstein Telescope to solve the Hubble tension
• Towards a possible solution to the Hubble tension with Horndeski gravity
• 50 Years of Horndeski Gravity: Past, Present and Future
• Constraining Horndeski theory with gravitational waves from coalescing binaries
• A robust cosmic standard ruler from the cross-correlations of galaxies and dark sirens
• EMRI_MC: A GPU-based Python code for Bayesian inference of EMRI waveforms
• A model-independent tripartite test of cosmic distance relations
• Effects of a Late Gravitational Transition on Gravitational Waves and Anticipated Constraints
• Gravitational Slip parameter and Gravitational Waves in Einstein-Cartan theory
• Gravitational wave probes of Barrow cosmology with LISA standard sirens
• Modified propagation of gravitational waves from the early radiation era
• Constraining the modified friction in gravitational wave propagation with precessing black hole binaries