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Properties of Quasi-local mass in binary black hole mergers
Daniel Pook-Kolb, Bowen Zhao, Lars Andersson +2
Identifying a general quasi-local notion of energy-momentum and angular momentum would be an important advance in general relativity with potentially important consequences for mat…
Nonlinear ringdown at the black hole horizon
Neev Khera, Ariadna Ribes Metidieri, Béatrice Bonga +6
The gravitational waves emitted by a perturbed black hole ringing down are well described by damped sinusoids, whose frequencies are those of quasinormal modes. Typically, first-or…
Universality in Binary Black Hole Dynamics: An Integrability Conjecture
José Luis Jaramillo, Badri Krishnan, Carlos F. Sopuerta
The waveform of a binary black hole coalescence appears to be both simple and universal. In this essay we argue that the dynamics should admit a separation into 'fast and slow' deg…
Painlevé-II approach to binary black hole merger dynamics: universality from integrability
José Luis Jaramillo, Badri Krishnan
The binary black hole merger waveform is both simple and universal. Adopting an effective asymptotic description of the dynamics, we aim at accounting for such universality in term…
Estimating False Alarm Rates of Sub-Dominant Quasi-normal Modes in GW190521
Collin D. Capano, Jahed Abedi, Shilpa Kastha +6
A major aim of gravitational wave astronomy is to test observationally the Kerr nature of black holes. The strongest such test, with minimal additional assumptions, is provided by…
Model systematics in time domain tests of binary black hole evolution
Shilpa Kastha, Collin D. Capano, Julian Westerweck +3
We perform several consistency tests between different phases of binary black hole dynamics; the inspiral, the merger, and the ringdown on the gravitational wave events GW150914 an…