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Template bank for spinning compact binary mergers in the second observation run of Advanced LIGO and the first observation run of Advanced Virgo
Debnandini Mukherjee, Sarah Caudill, Ryan Magee +25
We describe the methods used to construct the aligned-spin template bank of gravitational waveforms used by the GstLAL-based inspiral pipeline to analyze data from the second obser…
Numerical studies on core collapse supernova in self-interacting massive scalar-tensor gravity
Patrick Chi-Kit Cheong, Tjonnie Guang Feng Li
We investigate stellar core collapse in scalar-tensor theory with a massive self-interacting scalar field. In these theories, strong long-lived inverse chirp signals could be induc…
Template-based Gravitational-Wave Echoes Search Using Bayesian Model Selection
R. K. L. Lo, T. G. F. Li, A. J. Weinstein
The ringdown of the gravitational-wave signal from a merger of two black holes has been suggested as a probe of the structure of the remnant compact object, which may be more exoti…
Classifying Lensed Gravitational Waves in the Geometrical Optics Limit with Machine Learning
Amit Jit Singh, Ivan S. C. Li, Otto A. Hannuksela +2
Gravitational waves are theorized to be gravitationally lensed when they propagate near massive objects. Such lensing effects cause potentially detectable repeated gravitational wa…
Lifshitz Scaling, Microstate Counting from Number Theory and Black Hole Entropy
Dmitry Melnikov, Fábio Novaes, Alfredo Pérez +1
Non-relativistic field theories with anisotropic scale invariance in (1+1)-d are typically characterized by a dispersion relation and dynamical exponent . The as…
Constraining black-hole horizon effects by LIGO-Virgo detections of inspiralling binary black holes
Kwun-Hang Lai, Tjonnie Guang Feng Li
General relativity predicts mass and spin growth of an inspiralling black hole due to an energy-momentum flux flowing through the black-hole horizon. The leading-order terms of thi…
Empirical tests of the black hole no-hair conjecture using gravitational-wave observations
Gregorio Carullo, Laura van der Schaaf, Lionel London +10
We show that second-generation gravitational-wave detectors at their design sensitivity will allow us to directly probe the ringdown phase of binary black hole coalescences. This o…
Probing the existence of ultralight bosons with a single gravitational-wave measurement
Otto A. Hannuksela, Kaze W. K. Wong, Richard Brito +2
Light bosons, proposed as a possible solution to various problems in fundamental physics and cosmology, include a broad class of candidates for beyond the Standard Model physics, s…
On the Potential Observation of False Deviations from General Relativity in Gravitational Wave Observations from Binary Black Holes
Peter T. H. Pang, Juan Calderón Bustillo, Yifan Wang +1
Detections of gravitational waves emitted by binary black holes allow for tests of General Relativity in the strong-field regime. In particular, deviations from General Relativity…
Discovering intermediate-mass black hole lenses through gravitational wave lensing
Kwun-Hang Lai, Otto A. Hannuksela, Antonio Herrera-Martín +3
Intermediate-mass black holes are the missing link that connects stellar-mass to supermassive black holes and are key to understanding galaxy evolution. Gravitational waves, like p…