no code implementations • 4 Dec 2020 • :, Jillian Bellovary, Peter Bender, Emanuele Berti, Warren Brown, Robert Caldwell, Neil Cornish, Jeremy Darling, Matthew Digman, Mike Eracleous, Kayhan Gultekin, Zoltan Haiman, Kelly Holley-Bockelmann, Joey Key, Shane Larson, Xin Liu, Sean McWilliams, Priyamvada Natarajan, David Shoemaker, Deirdre Shoemaker, Krista Lynne Smith, Marcelle Soares-Santos, Robin, Stebbins
Among our findings: LISA science productivity is greatly enhanced by a full-featured US science center and an open access data model.
Instrumentation and Methods for Astrophysics High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology
no code implementations • 3 Nov 2020 • Kaze W. K. Wong, Gabriele Franciolini, Valerio De Luca, Vishal Baibhav, Emanuele Berti, Paolo Pani, Antonio Riotto
Primordial black holes (PBHs) might be formed in the early Universe and could comprise at least a fraction of the dark matter.
Bayesian Inference General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics High Energy Physics - Phenomenology
1 code implementation • 20 Jul 2020 • Kaze W. K. Wong, Ken K. Y. Ng, Emanuele Berti
Computing signal-to-noise ratios (SNRs) is one of the most common tasks in gravitational-wave data analysis.
High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology
1 code implementation • 12 Jun 2019 • Davide Gerosa, Emanuele Berti
Pair instabilities in supernovae might prevent the formation of black holes with masses between $\sim 50 M_\odot$ and $\sim 130 M_\odot$.
High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology
1 code implementation • 21 May 2019 • Sashwat Tanay, Antoine Klein, Emanuele Berti, Atsushi Nishizawa
We compute the so-called "unfaithfulness" between the full template and "reduced" templates obtained by dropping some terms in the phasing series; we investigate the conditions under which systematic errors are negligible with respect to statistical errors, and we study the convergence properties of statistical errors.
General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena
1 code implementation • 31 Jan 2019 • Davide Gerosa, Sizheng Ma, Kaze W. K. Wong, Emanuele Berti, Richard O'Shaughnessy, Yanbei Chen, Krzysztof Belczynski
We use population synthesis simulations of isolated binary stars to explore some of the stellar physics that could be constrained with multiband events, and we show that specific formation pathways might be overrepresented in multiband events compared to ground-only detections.
High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology
no code implementations • 14 Nov 2018 • Davide Gerosa, Alicia Lima, Emanuele Berti, Ulrich Sperhake, Michael Kesden, Richard O'Shaughnessy
Within the framework of 2PN black-hole binary spin precession, we explore configurations where one of the two spins oscillates from being completely aligned with the orbital angular momentum to being completely anti-aligned with it during a single precession cycle.
General Relativity and Quantum Cosmology Astrophysics of Galaxies High Energy Astrophysical Phenomena
2 code implementations • 7 Aug 2018 • Davide Gerosa, Emanuele Berti, Richard O'Shaughnessy, Krzysztof Belczynski, Michael Kesden, Daniel Wysocki, Wojciech Gladysz
We study the expected spin misalignments of merging binary black holes (BHs) formed in isolation by combining state-of-the-art population synthesis models with efficient post-Newtonian evolutions, thus tracking sources from stellar formation to gravitational-wave detection.
High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology
no code implementations • 18 Mar 2017 • Davide Gerosa, Emanuele Berti
Advanced LIGO detectors at Hanford and Livingston made two confirmed and one marginal detection of binary black holes during their first observing run.
General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena
no code implementations • 20 Jul 2015 • Daniele Trifirò, Richard O'Shaughnessy, Davide Gerosa, Emanuele Berti, Michael Kesden, Tyson Littenberg, Ulrich Sperhake
Gravitational waves from coalescing binary black holes encode the evolution of their spins prior to merger.
General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena
no code implementations • 30 Jun 2015 • Davide Gerosa, Michael Kesden, Richard O'Shaughnessy, Antoine Klein, Emanuele Berti, Ulrich Sperhake, Daniele Trifirò
In this work, we show that these solutions can be unstable when the spin of the higher-mass black hole is aligned with the orbital angular momentum and the spin of the lower-mass black hole is anti-aligned.
General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena
no code implementations • 10 Jun 2015 • Davide Gerosa, Michael Kesden, Ulrich Sperhake, Emanuele Berti, Richard O'Shaughnessy
The dynamics of precessing binary black holes (BBHs) in the post-Newtonian regime has a strong timescale hierarchy: the orbital timescale is very short compared to the spin-precession timescale which, in turn, is much shorter than the radiation-reaction timescale on which the orbit is shrinking due to gravitational-wave emission.
General Relativity and Quantum Cosmology Cosmology and Nongalactic Astrophysics Astrophysics of Galaxies High Energy Astrophysical Phenomena
no code implementations • 3 Nov 2014 • Michael Kesden, Davide Gerosa, Richard O'Shaughnessy, Emanuele Berti, Ulrich Sperhake
We derive an effective potential for binary black-hole (BBH) spin precession at second post-Newtonian order.
General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena
no code implementations • 18 Feb 2013 • Davide Gerosa, Michael Kesden, Emanuele Berti, Richard O'Shaughnessy, Ulrich Sperhake
Under the plausible assumption that tidal interactions are efficient at aligning the spins of few-solar mass black-hole progenitors with the orbital angular momentum, we find that black-hole spins should be expected to preferentially lie in a plane when they become detectable by gravitational-wave interferometers.
General Relativity and Quantum Cosmology High Energy Astrophysical Phenomena