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Unveiling early black hole growth with multi-frequency gravitational wave observations
Rosa Valiante, Monica Colpi, Raffaella Schneider +7
Third Generation ground based Gravitational Wave Interferometers, like the Einstein Telescope (ET), Cosmic Explorer (CE), and the Laser Interferometer Space Antenna (LISA) will det…
Dynamical evolution of massive perturbers in realistic multi-component galaxy models I: implementation and validation
Matteo Bonetti, Elisa Bortolas, Alessandro Lupi +1
Galaxies are self-gravitating structures composed by several components encompassing spherical, axial and triaxial symmetry. Although real systems feature heterogeneous components…
Gravitational wave background from extreme mass ratio inspirals
Matteo Bonetti, Alberto Sesana
Extreme mass ratio inspirals (EMRIs), i.e. binary systems comprised by a compact stellar-mass object orbiting a massive black hole, are expected to be among the primary gravitation…
Observing the inspiral of coalescing massive black hole binaries with LISA in the era of Multi-Messenger Astrophysics
Alberto Mangiagli, Antoine Klein, Matteo Bonetti +6
Massive black hole binaries (MBHBs) of merging in low redshift galaxies () are sufficiently loud to be detected weeks b…
Massive black hole merger rates: the effect of kpc separation wandering and supernova feedback
Enrico Barausse, Irina Dvorkin, Michael Tremmel +2
We revisit the predictions for the merger rate of massive black hole binaries detectable by the Laser Interferometer Space Antenna (LISA) and their background signal for pulsar-tim…
Global torques and stochasticity as the drivers of massive black hole pairing in the young Universe
Elisa Bortolas, Pedro R. Capelo, Tommaso Zana +5
The forthcoming Laser Interferometer Space Antenna (LISA) will probe the population of coalescing massive black hole (MBH) binaries up to the onset of structure formation. Here we…
On the eccentricity evolution of massive black hole binaries in stellar backgrounds
Matteo Bonetti, Alexander Rasskazov, Alberto Sesana +6
We study the dynamical evolution of eccentric massive black hole binaries (MBHBs) interacting with unbound stars by means of an extensive set of three body scattering experiments.…
Dynamical friction-driven orbital circularisation in rotating discs: a semi-analytical description
Matteo Bonetti, Elisa Bortolas, Alessandro Lupi +2
We present and validate a novel semi-analytical approach to study the effect of dynamical friction on the orbits of massive perturbers in rotating stellar discs. We find that dynam…