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Up-down instability of binary black holes in numerical relativity
Vijay Varma, Matthew Mould, Davide Gerosa +3
Binary black holes with spins that are aligned with the orbital angular momentum do not precess. However, post-Newtonian calculations predict that "up-down" binaries, in which the…
A generalized precession parameter to interpret gravitational-wave data
Davide Gerosa, Matthew Mould, Daria Gangardt +3
Originally designed for waveform approximants, the effective precession parameter is the most commonly used quantity to characterize spin-precession effects in gravi…
Structure of neutron stars in massive scalar-tensor gravity
Roxana Rosca-Mead, Christopher J. Moore, Ulrich Sperhake +2
We compute families of spherically symmetric neutron-star models in two-derivative scalar-tensor theories of gravity with a massive scalar field. The numerical approach we present…
Gravitational-wave selection effects using neural-network classifiers
Davide Gerosa, Geraint Pratten, Alberto Vecchio
We present a novel machine-learning approach to estimate selection effects in gravitational-wave observations. Using techniques similar to those commonly employed in image classifi…
Inferring the properties of a population of compact binaries in presence of selection effects
Salvatore Vitale, Davide Gerosa, Will M. Farr +1
Shortly after a new class of objects is discovered, the attention shifts from the properties of the individual sources to the question of their origin: do all sources come from the…
Massive black hole binary inspiral and spin evolution in a cosmological framework
Mohammad Sayeb, Laura Blecha, Luke Zoltan Kelley +3
Massive black hole (MBH) binary inspiral time scales are uncertain, and their spins are even more poorly constrained. Spin misalignment, along with unequal mass ratios and spin mag…