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Scalar emission from neutron star-black hole binaries in scalar-tensor theories with kinetic screening
Ramiro Cayuso, Adrien Kuntz, Miguel Bezares +1
We explore scalar radiation from neutron star-black hole binaries in scalar-tensor theories with kinetic screening (-essence). Using 3+1 numerical relativity simulations in the…
Black Holes Inside and Out 2024: visions for the future of black hole physics
Niayesh Afshordi, Abhay Ashtekar, Enrico Barausse +27
The gravitational physics landscape is evolving rapidly, driven by our ability to study strong-field regions, in particular black holes. Black Holes Inside and Out gathered world e…
Perturbations of the Vaidya metric in the frequency domain: Quasi-normal modes and tidal response
Lodovico Capuano, Luca Santoni, Enrico Barausse
The mass of a black hole can dynamically evolve due to various physical processes, such as for instance accretion, Hawking radiation, absorption of gravitational/electromagnetic wa…
Possible Causes of False General Relativity Violations in Gravitational Wave Observations
Anuradha Gupta, K. G. Arun, Enrico Barausse +40
General relativity (GR) has proven to be a highly successful theory of gravity since its inception. The theory has thrivingly passed numerous experimental tests, predominantly in w…
Constraints on conformal ultralight dark matter couplings from the European Pulsar Timing Array
Clemente Smarra, Adrien Kuntz, Enrico Barausse +15
Millisecond pulsars are extremely precise celestial clocks: as they rotate, the beamed radio waves emitted along the axis of their magnetic field can be detected with radio telesco…
Nonlinear quasinormal mode detectability with next-generation gravitational wave detectors
Sophia Yi, Adrien Kuntz, Enrico Barausse +4
In the aftermath of a binary black hole merger event, the gravitational wave signal emitted by the remnant black hole is modeled as a superposition of damped sinusoids known as qua…
Angular momentum sensitivities in scalar-tensor theories
Adrien Kuntz, Enrico Barausse
Scalar-tensor theories have a long history as possible phenomenological alternatives to General Relativity, but are known to potentially produce deviations from the (strong) equiva…