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Spontaneous scalarization of black holes and compact stars from a Gauss-Bonnet coupling
Hector O. Silva, Jeremy Sakstein, Leonardo Gualtieri +2
We identify a class of scalar-tensor theories with coupling between the scalar and the Gauss-Bonnet invariant that exhibit spontaneous scalarization for both black holes and compac…
I-Love-Q to the extreme
Hector O. Silva, Nicolas Yunes
Certain bulk properties of neutron stars, in particular their moment of inertia, rotational quadrupole moment and tidal Love number, when properly normalized, are related to one an…
Evidence for a maximum mass cut-off in the neutron star mass distribution and constraints on the equation of state
Justin Alsing, Hector O. Silva, Emanuele Berti
We infer the mass distribution of neutron stars in binary systems using a flexible Gaussian mixture model and use Bayesian model selection to explore evidence for multi-modality an…
Post-Kerr black hole spectroscopy
Kostas Glampedakis, George Pappas, Hector O. Silva +1
One of the central goals of the newborn field of gravitational wave astronomy is to test gravity in the highly nonlinear, strong field regime characterizing the spacetime of black…