In dRGT massive gravity, the helicity-2 modes propagate on the metric lightcone in the high-frequency limit for arbitrary backgrounds.
Strong Constraints on Cosmo- logical Gravity from GW170817 and GRB 170817A
3 Pith papers cite this work. Polarity classification is still indexing.
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K-essence cosmology induces a redshift-dependent effective mass on gravitational waves, causing phase shifts that link scalar field dynamics to GW observables without changing wave speed or luminosity distance.
Bayesian analysis of GW170817 with PPE framework and EM polarization constraints shows mild preference for scalar mode in quadrupole harmonics and improves bounds on non-GR parameters by up to 60%.
citing papers explorer
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Graviton propagation in ghost-free massive gravity
In dRGT massive gravity, the helicity-2 modes propagate on the metric lightcone in the high-frequency limit for arbitrary backgrounds.
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Gravitational Wave Propagation in K-essence Cosmology: Theory and Observational Constraints
K-essence cosmology induces a redshift-dependent effective mass on gravitational waves, causing phase shifts that link scalar field dynamics to GW observables without changing wave speed or luminosity distance.
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Tests of scalar polarizations with multi-messenger events
Bayesian analysis of GW170817 with PPE framework and EM polarization constraints shows mild preference for scalar mode in quadrupole harmonics and improves bounds on non-GR parameters by up to 60%.